APA aipamena

(1931). Tests and challenges in sociology (for use with Ross's Principles of sociology, revised edition). The Century co.

Chicago Style aipamena

Tests and Challenges in Sociology (for Use with Ross's Principles of Sociology, Revised Edition). New York: The Century co, 1931.

MLA aipamena

Tests and Challenges in Sociology (for Use with Ross's Principles of Sociology, Revised Edition). The Century co, 1931.