APA aipamena

Towpik, J., & Nowakowska, E. (1970). Changing patterns of late syphilis.

Chicago Style aipamena

Towpik, J., and E. Nowakowska. Changing Patterns of Late Syphilis. 1970.

MLA aipamena

Towpik, J., and E. Nowakowska. Changing Patterns of Late Syphilis. 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.