APA
(1992). Progress report [July 1991 to June 1992 inclusive]. [s.l.]: [s.n.].
Chicago
1992. Progress report [July 1991 to June 1992 inclusive]. [s.l.]: [s.n.].
Harvard
(1992). Progress report [July 1991 to June 1992 inclusive]. [s.l.]: [s.n.].
MLA
Progress report [July 1991 to June 1992 inclusive]. [s.l.]: [s.n.]. 1992.