Brown, P. E. (1957). An occurrence of soapstone in a migmatitic environment, Central Province, Tanganyika. s.n..
Chicago Style aipamenaBrown, P. E. An Occurrence of Soapstone in a Migmatitic Environment, Central Province, Tanganyika. [Tanganyika?: s.n., 1957.
MLA aipamenaBrown, P. E. An Occurrence of Soapstone in a Migmatitic Environment, Central Province, Tanganyika. s.n., 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.