Gaya APA

How to argue powerfully, persuasively, & Positively (cara tepat berdebat secara cerdas, meyakinkan & positif). (2011). : .

Gaya MLA

How to argue powerfully, persuasively, & Positively (cara tepat berdebat secara cerdas, meyakinkan & positif). . : , 2011. BUKU cetak CADANGAN.