Παραπομπή σε μορφή APA (7η εκδ.)

Lloyd, P. E., & Dicken, P. (1990). Location in space: Theoretical perspectives in economic geography (3rd ed.). Harper Collins.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lloyd, Peter E., και Peter Dicken. Location in Space: Theoretical Perspectives in Economic Geography. 3rd ed. New York: Harper Collins, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lloyd, Peter E., και Peter Dicken. Location in Space: Theoretical Perspectives in Economic Geography. 3rd ed. Harper Collins, 1990.