APA

Gondin W. R., William Richard Gondin, .The art of speaking made simple. New York: .

Chicago

Gondin William Richard, William Richard Gondin, .The art of speaking made simple. New York: .

Harvard

Gondin W. R., William Richard Gondin, .The art of speaking made simple. New York: .

MLA

Gondin William Richard, William Richard Gondin, .New York: . .