Gaya APA

Creswell, J, W. (1986). Concluding Thoughts: obsewing promo ting evaluating and reuiewing research per formance . : NEW DIRECTIONS FOR HIGHER EDUCATION.

Gaya MLA

Creswell, John, W.. "Concluding Thoughts: obsewing promo ting evaluating and reuiewing research per formance". : NEW DIRECTIONS FOR HIGHER EDUCATION, 1986. E-Book.