Tohutoro APA (7th ed.)
Nayak, N. V. (1996). Foundation design manual (4th rev & enl.). Dhanpat Rai.
Tohutoru Kātū Chicago (17th ed.)
Nayak, Narayan V. Foundation Design Manual. 4th rev & enl. New Delhi: Dhanpat Rai, 1996.
Tohutoro MLA (9th ed.)
Nayak, Narayan V. Foundation Design Manual. 4th rev & enl. Dhanpat Rai, 1996.
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