APA (7th ed.) Citation

YAM, P. (2007). PRIMARY LEVEL COMPLETE GRAMMAR.

Chicago Style (17th ed.) Citation

YAM, PETER. PRIMARY LEVEL COMPLETE GRAMMAR. 2007.

MLA (9th ed.) Citation

YAM, PETER. PRIMARY LEVEL COMPLETE GRAMMAR. 2007.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.