APA aipamena

Khosla, T., & Lowe, C. R. (1972). Obesity and smoking habits by social class.

Chicago Style aipamena

Khosla, T., and C R. Lowe. Obesity and Smoking Habits By Social Class. 1972.

MLA aipamena

Khosla, T., and C R. Lowe. Obesity and Smoking Habits By Social Class. 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.