APA
(1997). Biotechnology international Year book 1997. London: Cartermill Publishing.
Chicago
1997. Biotechnology international Year book 1997. London: Cartermill Publishing.
Harvard
(1997). Biotechnology international Year book 1997. London: Cartermill Publishing.
MLA
Biotechnology international Year book 1997. London: Cartermill Publishing. 1997.