Παραπομπή APA

Guthrie, R. (2011). Publishing: Principles & practice. Sage Publications.

Παραπομπή Chicago Style

Guthrie, Richard. Publishing: Principles & Practice. London: Sage Publications, 2011.

Παραπομπή MLA

Guthrie, Richard. Publishing: Principles & Practice. Sage Publications, 2011.