APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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