Singapore Tourist Promotion Board. Research Dept. (1975). Pleasure/vacation visitors from New Zealand to Singapore, with special reference to visitors on group tours, 1972-1974. Singapore Tourist Promotion Board.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Singapore Tourist Promotion Board. Research Dept. Pleasure/vacation Visitors from New Zealand to Singapore, with Special Reference to Visitors on Group Tours, 1972-1974. Singapore: Singapore Tourist Promotion Board, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Singapore Tourist Promotion Board. Research Dept. Pleasure/vacation Visitors from New Zealand to Singapore, with Special Reference to Visitors on Group Tours, 1972-1974. Singapore Tourist Promotion Board, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.