Allen, C. L. (1970). Roads to radiant living. Fleming H. Revell.
Cita Chicago (17th ed.)Allen, Charles L. Roads to Radiant Living. Fleming H. Revell, 1970.
Cita MLA (9th ed.)Allen, Charles L. Roads to Radiant Living. Fleming H. Revell, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.