Gill, R. T. Metodologi penelitian ekonomi bisnis. Prentice-Hall.
Chicago Style CitationGill, Richard T. Metodologi Penelitian Ekonomi Bisnis. Prentice-Hall.
MLA CitationGill, Richard T. Metodologi Penelitian Ekonomi Bisnis. Prentice-Hall.
Warning: These citations may not always be 100% accurate.