MacBean, J. C. (1973). Astronomy: Examining your environment. Holt, Rinehart and Winston of Canada.
Chicago Style aipamenaMacBean, John C. Astronomy: Examining Your Environment. Toronto: Holt, Rinehart and Winston of Canada, 1973.
MLA aipamenaMacBean, John C. Astronomy: Examining Your Environment. Holt, Rinehart and Winston of Canada, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.