Cita APA (7a ed.)
Tressler, J. C. (1950). Mastering effective english. (1a. ed.). The Copp Clark Co. Limited.
Cita Chicago Style (17a ed.)
Tressler, J. C. Mastering Effective English. 1a. ed. Canadá: The Copp Clark Co. Limited, 1950.
Cita MLA (9a ed.)
Tressler, J. C. Mastering Effective English. 1a. ed. The Copp Clark Co. Limited, 1950.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.