APA引文

Fry, R., & Hume, G. B. (1967). Manual of Commercial Correspondence. Issac Pitman.

Chicago Edition Citation

Fry, Roland, and G Bayley Hume. Manual of Commercial Correspondence. London: Issac Pitman, 1967.

MLA引文

Fry, Roland, and G Bayley Hume. Manual of Commercial Correspondence. Issac Pitman, 1967.

警告：這些引文格式不一定是100％准確.