Παραπομπή APA

Trehan, K. (1990). Biotechnology. Wiley Eastern limited.

Παραπομπή Chicago Style

Trehan, Keshav. Biotechnology. New Delhi: Wiley Eastern limited, 1990.

Παραπομπή MLA

Trehan, Keshav. Biotechnology. Wiley Eastern limited, 1990.