APA
(1990). Rapid determination of radon daughter concentrations. [s.l.]: [s.n.].
Chicago
1990. Rapid determination of radon daughter concentrations. [s.l.]: [s.n.].
Harvard
(1990). Rapid determination of radon daughter concentrations. [s.l.]: [s.n.].
MLA
Rapid determination of radon daughter concentrations. [s.l.]: [s.n.]. 1990.