Gaya APA

Skinner, B, J. (1981). Economic Geology and the Bulletin of the Society og economic Geologists (Vol. 76, Edisi Agustus, no. 5). America AS: Lancaster Press.

Gaya MLA

Skinner, Brian, J.. "Economic Geology and the Bulletin of the Society og economic Geologists". Vol. 76, Edisi Agustus, no. 5 America AS: Lancaster Press, 1981. Text.