Citazione Stile APA (7a Edizione)

Nigam, V. N. (1979). Map reading, general geography - astronomical and physical and chief regional studies of the world (3., rev. ed., reprint.). Pitambar Book Depot.

Citazione stile Chigago Style (17a edizione)

Nigam, V. N. Map Reading, General Geography - Astronomical and Physical and Chief Regional Studies of the World. 3., rev. ed., reprint. New Delhi: Pitambar Book Depot, 1979.

Citatione MLA (9a ed.)

Nigam, V. N. Map Reading, General Geography - Astronomical and Physical and Chief Regional Studies of the World. 3., rev. ed., reprint. Pitambar Book Depot, 1979.