APA aipamena

Bullough, V. L., & Bullough, B. (1985). Sterilization methods in China.

Chicago Style aipamena

Bullough, V L., and B. Bullough. Sterilization Methods in China. 1985.

MLA aipamena

Bullough, V L., and B. Bullough. Sterilization Methods in China. 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.