Cita APA (7th ed.)
Carter, L. R. (1979). The pocket calculator (1a. ed.). Teach yourself books.
Cita Chicago (17th ed.)
Carter, L. R. The Pocket Calculator. 1a. ed. New york: Teach yourself books, 1979.
Cita MLA (9th ed.)
Carter, L. R. The Pocket Calculator. 1a. ed. Teach yourself books, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.