Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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