Hanson, P. (1970). Keypunching (2nd ed.). Prentice-Hall of India.
Chicago Edition CitationHanson, Peggy. Keypunching. 2nd ed. New Jersey: Prentice-Hall of India, 1970.
MLA引文Hanson, Peggy. Keypunching. 2nd ed. Prentice-Hall of India, 1970.
警告:這些引文格式不一定是100%准確.