Gaya APA

Friedman, M, &, R. (1980). Free To Choose A Personal Statement (Pertama). London and New York: Harcourt Brace Jovanovich, Publishers.

Gaya MLA

Friedman, Milton, &, Rose. "Free To Choose A Personal Statement". Pertama London and New York: Harcourt Brace Jovanovich, Publishers, 1980. Text.