APA ציטוט

Clarkson,E.N.k. (2012). Invertebrate Palaeontology and Evolution (4th.). Wiley India.

Chicago Edition Citation

Clarkson,E.N.k. Invertebrate Palaeontology and Evolution. 4th. USA: Wiley India, 2012.

ציטוט MLA

Clarkson,E.N.k. Invertebrate Palaeontology and Evolution. 4th. Wiley India, 2012.