APA (7. basım) Alıntı

Douglas, H. (1983). The handbook of mineral economics. Hugh Douglas and Company Ltd..

Chicago Style (17. basım) Atıf

Douglas, Hugh. The Handbook of Mineral Economics. San Francisco: Hugh Douglas and Company Ltd., 1983.

MLA (9th ed.) Atıf

Douglas, Hugh. The Handbook of Mineral Economics. Hugh Douglas and Company Ltd., 1983.