Gaya APA

Williams, D, D. (1989). Final report naturalistic inquiry technical specialist activities at IKIP Jakarta . Jakarta: P2LPTK Dirjen Dikti Depdikbud.

Gaya MLA

Williams, David, D.. "Final report naturalistic inquiry technical specialist activities at IKIP Jakarta". Jakarta: P2LPTK Dirjen Dikti Depdikbud, 1989. Text.