APA (7th ed.) Zitazioa

Stamp,. (1966). Intermediate commercial geography (12th ed.). Longmans.

Chicago Style (17th ed.) Zitazioa

Stamp. Intermediate Commercial Geography. 12th ed. London: Longmans, 1966.

MLA (9th ed.) Zitazioa

Stamp. Intermediate Commercial Geography. 12th ed. Longmans, 1966.