APA引文

Raffle, P. A. B. (1969). Occupational Health of Construction Workers in California.

Citação norma Chicago

Raffle, P. A. B. Occupational Health of Construction Workers in California. 1969.

MLA引文

Raffle, P. A. B. Occupational Health of Construction Workers in California. 1969.

警告：這些引文格式不一定是100％准確.