APA ציטוט

Cadbury, B., & Cadbury, G. W. (1963). Telephone Answering Services.

Citação norma Chicago

Cadbury, Barbara, and G. W. Cadbury. Telephone Answering Services. 1963.

ציטוט MLA

Cadbury, Barbara, and G. W. Cadbury. Telephone Answering Services. 1963.