Gaya APA

Public Speaking. (2010). Yogyakarta: .

Gaya Chicago

Public Speaking. Ed. ke-1. Yogyakarta: , 2010. Text.

Gaya MLA

Public Speaking. Ed. ke-1. Yogyakarta: , 2010. Text.

Gaya Turabian

Public Speaking. Yogyakarta: , 2010. Print.