Biennial Dairy & Ice Cream Industries Directory. (1975). Dairy Industries International. United Trade Press.
Citação do estilo Chicago (17ª ed.)Biennial Dairy & Ice Cream Industries Directory. Dairy Industries International. London: United Trade Press, 1975.
Citação MLA (8ª ed.)Biennial Dairy & Ice Cream Industries Directory. Dairy Industries International. United Trade Press, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.