Não informado. (2001). Bulletin of the Mineral Research and Exploration. Mineral Research and Exploration Institute.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of the Mineral Research and Exploration. Ankara: Mineral Research and Exploration Institute, 2001.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of the Mineral Research and Exploration. Mineral Research and Exploration Institute, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.