(1999). Classroom teaching skills (6th ed.). Boston: Houghton Mifflin.
Trích dẫn kiểu ChicagoClassroom Teaching Skills. 6th ed. Boston: Houghton Mifflin, 1999.
ציטוט MLAClassroom Teaching Skills. 6th ed. Boston: Houghton Mifflin, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.