Consultant Survey Research Associates Ltd & Pacific Area Travel Association. (1987). Segmentation study of potential travellers from Germany to the Pacific Asia area. PATA.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Consultant Survey Research Associates Ltd و Pacific Area Travel Association. Segmentation Study of Potential Travellers from Germany to the Pacific Asia Area. San Francisco, Calif: PATA, 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Consultant Survey Research Associates Ltd و Pacific Area Travel Association. Segmentation Study of Potential Travellers from Germany to the Pacific Asia Area. PATA, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.