Cita APA (7th ed.)

Keren, C. (1982). A national library information service system in Barbados. International Development research Centre.

Cita Chicago (17th ed.)

Keren, Carl. A National Library Information Service System in Barbados. Canada: International Development research Centre, 1982.

Cita MLA (9th ed.)

Keren, Carl. A National Library Information Service System in Barbados. International Development research Centre, 1982.