Tohutoro APA (7th ed.)

Aiyengar, N. K. N. (1996). An Introduction to Invertebrate Palaeontology. Vikas Publishing House.

Tohutoru Kātū Chicago (17th ed.)

Aiyengar, N. K. N. An Introduction to Invertebrate Palaeontology. New Delhi: Vikas Publishing House, 1996.

Tohutoro MLA (9th ed.)

Aiyengar, N. K. N. An Introduction to Invertebrate Palaeontology. Vikas Publishing House, 1996.