Dyfyniad APA

Schultz, F. (1998). Annual editions: Education 98/99 (25th ed.). Dushkin/McGraw-Hill.

Dyfyniad Arddull Chicago

Schultz, Fred. Annual Editions: Education 98/99. 25th ed. Guilford, Conn.: Dushkin/McGraw-Hill, 1998.

Dyfyniad MLA

Schultz, Fred. Annual Editions: Education 98/99. 25th ed. Dushkin/McGraw-Hill, 1998.

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