Dyfyniad APA

Williams, G. . .. (1999). Resolving issues. Infinity books.

Dyfyniad Arddull Chicago

Williams, Gerry. Resolving Issues. New Delhi: Infinity books, 1999.

Dyfyniad MLA

Williams, Gerry. Resolving Issues. Infinity books, 1999.

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