APA (7th ed.) Zitazioa

Boesch, H. H. (1964). A geography of world economy. N. J.Van Nostrand.

Chicago Style (17th ed.) Zitazioa

Boesch, Hans Heinrich. A Geography of World Economy. Princeton: N. J.Van Nostrand, 1964.

MLA (9th ed.) Zitazioa

Boesch, Hans Heinrich. A Geography of World Economy. N. J.Van Nostrand, 1964.