Wenberg, P. C. (1987). Land's polaroid: A company and the man who invented it. Houghton Mifflin.
Cita Chicago (17th ed.)Wenberg, Peter C. Land's Polaroid: A Company and the Man Who Invented It. Boston: Houghton Mifflin, 1987.
Cita MLA (9th ed.)Wenberg, Peter C. Land's Polaroid: A Company and the Man Who Invented It. Houghton Mifflin, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.