Cartwright, R., & Baird, C. (1999). The Development and growth of the cruise industry. Oxford: Butterworth-Heinemann.
استشهاد بنمط شيكاغوCartwright, Roger, and Carolyn Baird. The Development and Growth of the Cruise Industry. Oxford: Butterworth-Heinemann, 1999.
MLA استشهادCartwright, Roger, and Carolyn Baird. The Development and Growth of the Cruise Industry. Oxford: Butterworth-Heinemann, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.