APA (7. basım) Alıntı

Gordon, R. L. (1987). World Coal: :Economics, Policies And Prospects (1. Edisyon.). Cambridge University.

Chicago Style (17. basım) Atıf

Gordon, R. L. World Coal: :Economics, Policies And Prospects. 1. Edisyon. Cambridge: Cambridge University, 1987.

MLA (9th ed.) Atıf

Gordon, R. L. World Coal: :Economics, Policies And Prospects. 1. Edisyon. Cambridge University, 1987.