Cita APA

Lenburg, J. (2007). Viva-Facts on file guide to research. Viva Books Private Limited.

Citación estilo Chicago

Lenburg, Jeff. Viva-Facts on File Guide to Research. New Delhi: Viva Books Private Limited, 2007.

Cita MLA

Lenburg, Jeff. Viva-Facts on File Guide to Research. Viva Books Private Limited, 2007.