Παραπομπή σε μορφή APA (7η εκδ.)

Pacione, M. Applied geography: Principles and practice : an introduction to useful research in physical, environmental and human geography.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pacione, Michael. Applied Geography: Principles and Practice : An Introduction to Useful Research in Physical, Environmental and Human Geography.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pacione, Michael. Applied Geography: Principles and Practice : An Introduction to Useful Research in Physical, Environmental and Human Geography.