Tohutoro APA (7th ed.)

(1991). Introduction to Environmental Engineering and Science (2nd ed.). Prentice-Hall of India Private Limited.

Tohutoru Kātū Chicago (17th ed.)

Introduction to Environmental Engineering and Science. 2nd ed. New Delhi: Prentice-Hall of India Private Limited, 1991.

Tohutoro MLA (9th ed.)

Introduction to Environmental Engineering and Science. 2nd ed. Prentice-Hall of India Private Limited, 1991.