Christensen, P. A. (1959). South African snake venoms and antivenoms. South African Institute for Medical Research.
Chicago Style aipamenaChristensen, Poul Agerholm. South African Snake Venoms and Antivenoms. Copenhagen: South African Institute for Medical Research, 1959.
MLA aipamenaChristensen, Poul Agerholm. South African Snake Venoms and Antivenoms. South African Institute for Medical Research, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.