APA

Desai A. V., Munasinghe M., Jhirad D., McNelis B., Fraenkel P. L., Fridleifsson I. B., Luque A., Merriam M. F. & Energy research group O. (1990). Nonconventional energy. New DelhiTokyoOttawa: Wiley EasternUnited Nations UniversityInternational Development Research Centre.

Chicago

Desai Ashok V, Munasinghe Mohan, Jhirad David, McNelis Bernard, Fraenkel Peter L, Fridleifsson Ingvar Birgir, Luque Antonio, Merriam Marshal F and Energy research group Ottawa^pCA. 1990. Nonconventional energy. New DelhiTokyoOttawa: Wiley EasternUnited Nations UniversityInternational Development Research Centre.

Harvard

Desai A. V., Munasinghe M., Jhirad D., McNelis B., Fraenkel P. L., Fridleifsson I. B., Luque A., Merriam M. F. and Energy research group O. (1990). Nonconventional energy. New DelhiTokyoOttawa: Wiley EasternUnited Nations UniversityInternational Development Research Centre.

MLA

Desai Ashok V, Munasinghe Mohan, Jhirad David, McNelis Bernard, Fraenkel Peter L, Fridleifsson Ingvar Birgir, Luque Antonio, Merriam Marshal F and Energy research group Ottawa^pCA. Nonconventional energy. New DelhiTokyoOttawa: Wiley EasternUnited Nations UniversityInternational Development Research Centre. 1990.