Gaya APA
Trehan, Keshav. (1987).
Biochemistry .
USA:
John Wiley & Sons, Inc.
Gaya Chicago
Trehan, Keshav.
Biochemistry.
USA:
John Wiley & Sons, Inc,
1987.
Text.
Gaya MLA
Trehan, Keshav.
Biochemistry.
USA:
John Wiley & Sons, Inc,
1987.
Text.
Gaya Turabian
Trehan, Keshav.
Biochemistry.
USA:
John Wiley & Sons, Inc,
1987.
Print.