Purwanugraha, H. A. (2006). The impact of superior-subordinate relationship on how style of bugeting associates with performance in Indonesian hotel industry: An empirical studyHeribertus Andre Purwanugraha and Wiwik Sunarni. FE-UAJY.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Purwanugraha, Heribertus Andre. The Impact of Superior-subordinate Relationship on How Style of Bugeting Associates with Performance in Indonesian Hotel Industry: An Empirical StudyHeribertus Andre Purwanugraha and Wiwik Sunarni. FE-UAJY, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Purwanugraha, Heribertus Andre. The Impact of Superior-subordinate Relationship on How Style of Bugeting Associates with Performance in Indonesian Hotel Industry: An Empirical StudyHeribertus Andre Purwanugraha and Wiwik Sunarni. FE-UAJY, 2006.