APA (7e ed.) Bronvermelding

HARRISON. E. R. (2014). FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL CLASS- VII. FRANK BROS & CO.

Chicago (17e ed.) Bronvermelding

HARRISON. E. R. FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL CLASS- VII. FRANK BROS & CO, 2014.

MLA (9e ed.) Bronvermelding

HARRISON. E. R. FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL CLASS- VII. FRANK BROS & CO, 2014.

Let op: Deze citaties zijn niet altijd 100% accuraat.