Kaplan, E. H. (1968). Problems solving in Biology: A laboratory workbook. Macmillan.
Chicago Style (17th ed.) ZitazioaKaplan, Eugene H. Problems Solving in Biology: A Laboratory Workbook. New York, USA: Macmillan, 1968.
MLA (9th ed.) ZitazioaKaplan, Eugene H. Problems Solving in Biology: A Laboratory Workbook. Macmillan, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.