Tonjes, M. J. (1981). Teaching, reading, thinking study skills: In content classrooms (3rd.). WCB.
Chicago-referens (17:e uppl.)Tonjes, Marian J. Teaching, Reading, Thinking Study Skills: In Content Classrooms. 3rd. Dubuque: WCB, 1981.
MLA-referens (9:e uppl.)Tonjes, Marian J. Teaching, Reading, Thinking Study Skills: In Content Classrooms. 3rd. WCB, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.