Lua APA (7ú heag.)

KANAWATY, G. (2012). INTRODUCTION TO WORK STUDY (4TH.). UNIVERSAL BOOK CORPORATION.

Lua i Stíl Chicago (17ú heag.)

KANAWATY, GEORG. INTRODUCTION TO WORK STUDY. 4TH. BOMBAY: UNIVERSAL BOOK CORPORATION, 2012.

Lua MLA (9ú heag.)

KANAWATY, GEORG. INTRODUCTION TO WORK STUDY. 4TH. UNIVERSAL BOOK CORPORATION, 2012.

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