APA (7. basım) Alıntı

YAM, P. (2012). PRIMARY LEVEL COMPLETE VOCABULARY (1st.). SAP GROUP.

Chicago Style (17. basım) Atıf

YAM, PETER. PRIMARY LEVEL COMPLETE VOCABULARY. 1st. SINGAPORE: SAP GROUP, 2012.

MLA (9th ed.) Atıf

YAM, PETER. PRIMARY LEVEL COMPLETE VOCABULARY. 1st. SAP GROUP, 2012.