KANAWATY, G. (2012). INTRODUCTION TO WORK STUDY (4TH.). UNIVERSAL BOOK CORPORATION.
Chicago-viite (17. p.)KANAWATY, GEORG. INTRODUCTION TO WORK STUDY. 4TH. BOMBAY: UNIVERSAL BOOK CORPORATION, 2012.
MLA-viite (9. p.)KANAWATY, GEORG. INTRODUCTION TO WORK STUDY. 4TH. UNIVERSAL BOOK CORPORATION, 2012.
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