O'CONNOR, J. (1956). Science vocabulary builder. Human Engineering laboratory.
Cita Chicago (17th ed.)O'CONNOR, Johnson. Science Vocabulary Builder. Boston: Human Engineering laboratory, 1956.
Cita MLA (9th ed.)O'CONNOR, Johnson. Science Vocabulary Builder. Human Engineering laboratory, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.