APA
Khurana P., . (1989). AIDS humanity's gravest challenge. Clarion Books, New Delhi: .
Chicago
Khurana Pushpa, . 1989. AIDS humanity's gravest challenge. Clarion Books, New Delhi: .
Harvard
Khurana P., . (1989). AIDS humanity's gravest challenge. Clarion Books, New Delhi: .
MLA
Khurana Pushpa, . AIDS humanity's gravest challenge. Clarion Books, New Delhi: . 1989.