Citazione Stile APA (7a Edizione)

KERRIGAN, W. J. (1974). Writing to the point six basic steps. Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

KERRIGAN, William J. Writing to the Point Six Basic Steps. New York: Harcourt Brace Jovanovich, 1974.

Citatione MLA (9a ed.)

KERRIGAN, William J. Writing to the Point Six Basic Steps. Harcourt Brace Jovanovich, 1974.