Gaya APA

Skinner, B, J. (1984). Economic Geology and the Bulletin of the society of economic geologists (Vol. 79, Edisi Juni-Juli, No. 4). Amerika Serikat: Lancaster Press.

Gaya MLA

Skinner, Brian, J.. "Economic Geology and the Bulletin of the society of economic geologists". Vol. 79, Edisi Juni-Juli, No. 4 Amerika Serikat: Lancaster Press, 1984. Text.