Παραπομπή σε μορφή APA (7η εκδ.)

WILLIAMS WALTER. (1988). STUDYING IMPLEMENTATION METHODOLOGICAL AND ADMINISTRATIVE ISSUES. POPULAR PRAKASHAN.

Παραπομπή σε μορφή Chicago (17η εκδ.)

WILLIAMS WALTER. STUDYING IMPLEMENTATION METHODOLOGICAL AND ADMINISTRATIVE ISSUES. BOMBAY: POPULAR PRAKASHAN, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

WILLIAMS WALTER. STUDYING IMPLEMENTATION METHODOLOGICAL AND ADMINISTRATIVE ISSUES. POPULAR PRAKASHAN, 1988.