APA
Gardner J., . (1963). Nickel mountain. Tata MacGraw-Hill Publishing Company ltd, New Delhi: .
Chicago
Gardner John, . 1963. Nickel mountain. Tata MacGraw-Hill Publishing Company ltd, New Delhi: .
Harvard
Gardner J., . (1963). Nickel mountain. Tata MacGraw-Hill Publishing Company ltd, New Delhi: .
MLA
Gardner John, . Nickel mountain. Tata MacGraw-Hill Publishing Company ltd, New Delhi: . 1963.