APA

Dwight Everett Watkins, . (1932). Effective speech : including public speaking, mental training and the development of personality, Vol. 6 (Manual XI & XII). Chicago, U.S.A: Markus-Campbell Company.

Chicago

Dwight Everett Watkins, . 1932. Effective speech : including public speaking, mental training and the development of personality, Vol. 6 (Manual XI & XII). Chicago, U.S.A: Markus-Campbell Company.

Harvard

Dwight Everett Watkins, . (1932). Effective speech : including public speaking, mental training and the development of personality, Vol. 6 (Manual XI & XII). Chicago, U.S.A: Markus-Campbell Company.

MLA

Dwight Everett Watkins, . Effective speech : including public speaking, mental training and the development of personality, Vol. 6 (Manual XI & XII). Chicago, U.S.A: Markus-Campbell Company. 1932.