Levine, S. (1969). Vocational and technical math in action. Hayden Book.
Cita Chicago (17th ed.)Levine, Samuel. Vocational and Technical Math in Action. New York: Hayden Book, 1969.
Cita MLA (9th ed.)Levine, Samuel. Vocational and Technical Math in Action. Hayden Book, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.