Umar, H. (2003). Metode riset perilaku konsumen jasa: Cara mudah melaksanakan riset perilaku .. Saint Joseph's University.
Chicago Style (17th ed.) CitationUmar, Husein. Metode Riset Perilaku Konsumen Jasa: Cara Mudah Melaksanakan Riset Perilaku .. Saint Joseph's University, 2003.
MLA (8th ed.) CitationUmar, Husein. Metode Riset Perilaku Konsumen Jasa: Cara Mudah Melaksanakan Riset Perilaku .. Saint Joseph's University, 2003.
Warning: These citations may not always be 100% accurate.