Lloyd, M. L. (1972). Why the back door swings. Review and Herald.
Cita Chicago (17th ed.)Lloyd, Marjorie Lewis. Why the Back Door Swings. Review and Herald, 1972.
Cita MLA (9th ed.)Lloyd, Marjorie Lewis. Why the Back Door Swings. Review and Herald, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.