APA-viite (7. p.)

Pethick, J. (1984). an Introduction to coastal Geomorphology. Arnold.

Chicago-viite (17. p.)

Pethick, John. An Introduction to Coastal Geomorphology. London: Arnold, 1984.

MLA-viite (9. p.)

Pethick, John. An Introduction to Coastal Geomorphology. Arnold, 1984.