(1999). Classroom teaching skills (6th ed.). Boston: Houghton Mifflin.
Chicago Style CitationClassroom Teaching Skills. 6th ed. Boston: Houghton Mifflin, 1999.
Cita MLAClassroom Teaching Skills. 6th ed. Boston: Houghton Mifflin, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.