Gaya APA

Weigand, , J, E. (1977). Implementing teacher competencies : positive approaches to personalizing education . Englewood Cliffs, NJ: Prentice Hall.

Gaya MLA

Weigand, , James, E.. "Implementing teacher competencies : positive approaches to personalizing education". Englewood Cliffs, NJ: Prentice Hall, 1977. Text.