Sumner, W. G., & Phelps, W. L. (1960). Folkways: A study of the sociological importance of usages, manners, customs, mores, and morals. Mentor Book, Publ. by the New American Library.

Sumner, William Graham, and William Lyon Phelps. Folkways: A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals. [New York]: Mentor Book, Publ. by the New American Library, 1960.

Sumner, William Graham, and William Lyon Phelps. Folkways: A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals. Mentor Book, Publ. by the New American Library, 1960.