Dyfyniad APA

Brooks, W. D., & Heath, R. W. (1993). Speech communication (Seventh edition.). Brown & Benchmark.

Dyfyniad Arddull Chicago

Brooks, William Dean, and Robert W. Heath. Speech Communication. Seventh edition. Madison, Wis.: Brown & Benchmark, 1993.

Dyfyniad MLA

Brooks, William Dean, and Robert W. Heath. Speech Communication. Seventh edition. Brown & Benchmark, 1993.

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