APA
(1969). BIOLOGY:AN INQUIRY INTO LIFE. NEW DELHI: NATIONAL COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING.
Chicago
1969. BIOLOGY:AN INQUIRY INTO LIFE. NEW DELHI: NATIONAL COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING.
Harvard
(1969). BIOLOGY:AN INQUIRY INTO LIFE. NEW DELHI: NATIONAL COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING.
MLA
BIOLOGY:AN INQUIRY INTO LIFE. NEW DELHI: NATIONAL COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING. 1969.
