Παραπομπή σε μορφή APA (7η εκδ.)

Becker, A. S., & O'Donnell-Becker, J. (1996). Student's companion to accompany de Blij's human geography: Culture, society and space (5th ed.). John Wiley and sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Becker, A. Steele, και Jacqueline O'Donnell-Becker. Student's Companion to Accompany De Blij's Human Geography: Culture, Society and Space. 5th ed. New York: John Wiley and sons, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Becker, A. Steele, και Jacqueline O'Donnell-Becker. Student's Companion to Accompany De Blij's Human Geography: Culture, Society and Space. 5th ed. John Wiley and sons, 1996.