Gerson. (2000). Mengukur kepuasan pelanggan. Penerbitan Pelangi.
Chicago Style (17th ed.) CitationGerson. Mengukur Kepuasan Pelanggan. Johor Bahru: Penerbitan Pelangi, 2000.
MLA (8th ed.) CitationGerson. Mengukur Kepuasan Pelanggan. Penerbitan Pelangi, 2000.
Warning: These citations may not always be 100% accurate.