APA-viite (7. p.)

ebrary, Inc, Adewuyi, B., & Chukwu, K. (2012). Soil fertility: Characteristics, processes and management. Nova Science Publishers.

Chicago-viite (17. p.)

ebrary, Inc, Bolanle Adewuyi, ja Kayin Chukwu. Soil Fertility: Characteristics, Processes and Management. New York: Nova Science Publishers, 2012.

MLA-viite (9. p.)

ebrary, Inc, et al. Soil Fertility: Characteristics, Processes and Management. Nova Science Publishers, 2012.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.