Dyfyniad APA

Maurer, J. (2000). Focus on grammar: An advanced course for reference and practice. White Plains, NY: Addison-Wesley Longman.

Dyfyniad Arddull Chicago

Maurer, Jay. Focus On Grammar: An Advanced Course for Reference and Practice. White Plains, NY: Addison-Wesley Longman, 2000.

Dyfyniad MLA

Maurer, Jay. Focus On Grammar: An Advanced Course for Reference and Practice. White Plains, NY: Addison-Wesley Longman, 2000.

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