Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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