Cita APA

Metcalf, A. A. (1995). Research to the point (2nd ed.). Harcourt Brace College Publishers.

Citación estilo Chicago

Metcalf, Allan A. Research to the Point. 2nd ed. Fort Worth: Harcourt Brace College Publishers, 1995.

Cita MLA

Metcalf, Allan A. Research to the Point. 2nd ed. Harcourt Brace College Publishers, 1995.