Spencer, A. (2013). The leadership imperative: Technology adoption andstrategic management in travel firms in Jamaica. Cambridge Scholars Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spencer, Andrew. The Leadership Imperative: Technology Adoption Andstrategic Management in Travel Firms in Jamaica. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Spencer, Andrew. The Leadership Imperative: Technology Adoption Andstrategic Management in Travel Firms in Jamaica. Cambridge Scholars Publishing, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.