Παραπομπή σε μορφή APA (7η εκδ.)

Oram, R. F. (1973). Biology: Living systems (Teacher's annotated ed., including behavioral objectives.). Merrill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Oram, Raymond F. Biology: Living Systems. Teacher's annotated ed., including behavioral objectives. Columbus, Ohio: Merrill, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Oram, Raymond F. Biology: Living Systems. Teacher's annotated ed., including behavioral objectives. Merrill, 1973.