Penggayaan APA

speaking. (2016). Amerika: Deepublish.

Chicago Style

speaking. . Amerika: Deepublish, 2016. Buku Teks.

MLA Style

speaking. . Amerika: Deepublish, 2016. Buku Teks.

Turabian Style

speaking. Amerika: Deepublish, 2016. Buku Teks.