Vernon, G. (1980). Sugars and sirups from Canada. Washington: United States international trade commission.
Trích dẫn kiểu ChicagoVernon, Greer. Sugars and Sirups From Canada. Washington: United States international trade commission, 1980.
MLA citiranjeVernon, Greer. Sugars and Sirups From Canada. Washington: United States international trade commission, 1980.
Opozorilo: Ti citati niso vedno 100% točni.