Παραπομπή APA

Gray,N, Calvin,M, & Bhatia,S C. (2010). Enzyme biotechnology. CBS publishers.

Παραπομπή Chicago Style

Gray,N, Calvin,M, και Bhatia,S C. Enzyme Biotechnology. New Delhi: CBS publishers, 2010.

Παραπομπή MLA

Gray,N, et al. Enzyme Biotechnology. CBS publishers, 2010.