APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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