APA ציטוט

Valman, H. B. (1981). ABC of 1 to 7. Respiratory tract infection.

Citação norma Chicago

Valman, H B. ABC of 1 to 7. Respiratory Tract Infection. 1981.

ציטוט MLA

Valman, H B. ABC of 1 to 7. Respiratory Tract Infection. 1981.