Penny, V. (1971). Think and act: A series of articles pertaining to men and women, work and wages. Arno.
Cita Chicago (17th ed.)Penny, Virginia. Think and Act: A Series of Articles Pertaining to Men and Women, Work and Wages. New York: Arno, 1971.
Cita MLA (8th ed.)Penny, Virginia. Think and Act: A Series of Articles Pertaining to Men and Women, Work and Wages. Arno, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.