APA
India S. G. o. I., . (1979). Map of Kerala, Pondicherry, Tamil Nadu and Lakshadweep. n.a: Surveyor General of India.
Chicago
India Surveyor General of India, . 1979. Map of Kerala, Pondicherry, Tamil Nadu and Lakshadweep. n.a: Surveyor General of India.
Harvard
India S. G. o. I., . (1979). Map of Kerala, Pondicherry, Tamil Nadu and Lakshadweep. n.a: Surveyor General of India.
MLA
India Surveyor General of India, . Map of Kerala, Pondicherry, Tamil Nadu and Lakshadweep. n.a: Surveyor General of India. 1979.