Παραπομπή APA

Smith, S. (1955). Best methods of study (3d ed.). Barnes & Noble, Inc.`.

Παραπομπή Chicago Style

Smith, Samuel. Best Methods of Study. 3d ed. New York: Barnes & Noble, Inc.`, 1955.

Παραπομπή MLA

Smith, Samuel. Best Methods of Study. 3d ed. Barnes & Noble, Inc.`, 1955.