APA-referens (7:e uppl.)

Gear, J. H. S., & Pitchford, R. J. (1988). Bilharzia in South Africa (2nd ed.). Dept. of National Health and Population Development.

Chicago-referens (17:e uppl.)

Gear, James H. S., och R. J. Pitchford. Bilharzia in South Africa. 2nd ed. Pretoria: Dept. of National Health and Population Development, 1988.

MLA-referens (8:e uppl.)

Gear, James H. S., och R. J. Pitchford. Bilharzia in South Africa. 2nd ed. Dept. of National Health and Population Development, 1988.