Gaya APA

Skinner, B, J. (1981). Economic Geology and the Bulletin of the Society of Economic Geologists (Vol. 76, Edisi Mei 1981, No.3). Amerika Serikat: Lancaster Press.

Gaya MLA

Skinner, Brian, J.. "Economic Geology and the Bulletin of the Society of Economic Geologists". Vol. 76, Edisi Mei 1981, No.3 Amerika Serikat: Lancaster Press, 1981. Text.