Gaya APA

Hasan, A, R. (1989). A Chemical and Mineralogical Study of The Elvaberget Massive Sulphide Deposit Skllefte Fileld, Northern Sweden . Lulea: Tekniska Hogskolan I Lulea.

Gaya MLA

Hasan, A., Rachman. "A Chemical and Mineralogical Study of The Elvaberget Massive Sulphide Deposit Skllefte Fileld, Northern Sweden". Lulea: Tekniska Hogskolan I Lulea, 1989. Text.