Gaya APA

Noreel, B, S. et al (1990). The Impact of biotechnology in agriculture / R.S. Sangwan, B.S. Sangwan Norreel . : Kluwer Academic Publishers.

Gaya MLA

Noreel, B.S., Sangwan. et al. "The Impact of biotechnology in agriculture / R.S. Sangwan, B.S. Sangwan Norreel". : Kluwer Academic Publishers, 1990. Textbook.