APA (7th ed.) Zitazioa

Clemmons, W. P., & Hester, H. (1974). Growth through groups. Broadman Press.

Chicago Style (17th ed.) Zitazioa

Clemmons, William P., eta Harvey Hester. Growth Through Groups. Nashville: Broadman Press, 1974.

MLA (9th ed.) Zitazioa

Clemmons, William P., eta Harvey Hester. Growth Through Groups. Broadman Press, 1974.