APA引文

Bellet. (1972). Essentials of arrhyhias. s.n.

Chicago Style (17th ed.) Citation

Bellet. Essentials of Arrhyhias. Philadelphia: s.n, 1972.

MLA引文

Bellet. Essentials of Arrhyhias. s.n, 1972.

警告：這些引文格式不一定是100％准確.