एपीए उद्धरण

Trewartha, G. T. (1980). Introduction to climate (5th ed.). Mc Graw Hill International Book company.

शिकागो स्टाइल उद्धरण

Trewartha, Glenn T. Introduction to Climate. 5th ed. London: Mc Graw Hill International Book company, 1980.

एमएलए उद्धरण

Trewartha, Glenn T. Introduction to Climate. 5th ed. Mc Graw Hill International Book company, 1980.