Gaya APA

OLDERSHAW, C., TROTMAN, F, [. ([s.a.]). Atlas of geology and landforms . New York: Frankin Watts.

Gaya MLA

OLDERSHAW, Cally., TROTMAN, Felicity, [ed.]. "Atlas of geology and landforms". New York: Frankin Watts, [s.a.]. Buku.