Gaya APA
Smith.J.V, . (1974).
Feldspar Minerals in three volumes (E-Book) .
Chicago:
Springer Berlin Heidelberg New York.
Gaya MLA
Smith.J.V, .
"Feldspar Minerals in three volumes (E-Book)".
Chicago:
Springer Berlin Heidelberg New York,
1974.
E-book.