Krishna Kumar. (1992). What is worth teaching (Rev. ed.). Orient Longman.
Chicago ZitierstilKrishna Kumar. What Is Worth Teaching. Rev. ed. Hyderabad: Orient Longman, 1992.
MLA ZitierstilKrishna Kumar. What Is Worth Teaching. Rev. ed. Orient Longman, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.