APA Citatie

Tietz, R., Nguyễn Văn Phước, Phạm Thị Thơ, Phạm Văn Bằng, Roy W. Poe, & Trần Hưng Việt. (2001). New complete book of modern effective letters. Tp. HCM: Nxb. Tp. HCM.

Chicago Style citaat

Tietz, Robert-Elaine, Nguyễn Văn Phước, Phạm Thị Thơ, Phạm Văn Bằng, Roy W. Poe, en Trần Hưng Việt. New Complete Book of Modern Effective Letters. Tp. HCM: Nxb. Tp. HCM, 2001.

MLA citatie

Tietz, Robert-Elaine, et al. New Complete Book of Modern Effective Letters. Tp. HCM: Nxb. Tp. HCM, 2001.