(2003). Teknik samplingSugiarto [et.al.]. Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationTeknik SamplingSugiarto [et.al.]. Gramedia Pustaka Utama, 2003.
MLA引文Teknik SamplingSugiarto [et.al.]. Gramedia Pustaka Utama, 2003.
警告:这些引文格式不一定是100%准确.