Penggayaan APA

PUBLIC speaking success in 20 minutes a day. (2010). New York: Learning Express.

Chicago Style

PUBLIC speaking success in 20 minutes a day. . New York: Learning Express, 2010. Buku.

MLA Style

PUBLIC speaking success in 20 minutes a day. . New York: Learning Express, 2010. Buku.

Turabian Style

PUBLIC speaking success in 20 minutes a day. New York: Learning Express, 2010. Buku.