Dyfyniad APA

VanAlstyne, J. S., & Judith S. VanAlstyne. (1990). Professional and technical writing strategies. Englewood Cliffs, N.J: Prentice Hall.

Dyfyniad Arddull Chicago

VanAlstyne, Judith S., và Judith S. VanAlstyne. Professional and Technical Writing Strategies. Englewood Cliffs, N.J: Prentice Hall, 1990.

Dyfyniad MLA

VanAlstyne, Judith S., và Judith S. VanAlstyne. Professional and Technical Writing Strategies. Englewood Cliffs, N.J: Prentice Hall, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.