Παραπομπή APA

Horrocks, J., & Stevenson, J. (1964). Approach to book - keeping. Longman's.

Παραπομπή Chicago Style

Horrocks, J., και J.B Stevenson. Approach to Book - Keeping. London: Longman's, 1964.

Παραπομπή MLA

Horrocks, J., και J.B Stevenson. Approach to Book - Keeping. Longman's, 1964.