APA-viite (7. p.)

Puffer, R. R. (1987). Patterns of birthweights. Pan American Health Organization.

Chicago-viite (17. p.)

Puffer, Ruth Rice. Patterns of Birthweights. Washington, D.C: Pan American Health Organization, 1987.

MLA-viite (9. p.)

Puffer, Ruth Rice. Patterns of Birthweights. Pan American Health Organization, 1987.