Citazione Stile APA (7a Edizione)

Billups, A. (1980). Perspectives: Discussion starters on attitudes and values for church groups. Judson.

Citazione stile Chigago Style (17a edizione)

Billups, Ann. Perspectives: Discussion Starters on Attitudes and Values for Church Groups. Valley forge: Judson, 1980.

Citatione MLA (9a ed.)

Billups, Ann. Perspectives: Discussion Starters on Attitudes and Values for Church Groups. Judson, 1980.