Gaya APA

Ivanov, M. et al (2001). Complete Encyclopedia of Fossils, The : A Comprehensive Guide to Fossils from Ar (1). : Rebo Publishers.

Gaya MLA

Ivanov, Martin. et al. "Complete Encyclopedia of Fossils, The : A Comprehensive Guide to Fossils from Ar". 1 : Rebo Publishers, 2001. Non Fiction.