Cita APA (7th ed.)

Haggett, P. (1990). Geography: A global synthesis (4th ed.). Longman.

Cita Chicago (17th ed.)

Haggett, Peter. Geography: A Global Synthesis. 4th ed. Harlow: Longman, 1990.

Cita MLA (9th ed.)

Haggett, Peter. Geography: A Global Synthesis. 4th ed. Longman, 1990.