Burton, J., & Burton, L. (1995). Interpersonal skills for travel and tourism. Burnt Mill, Harlow: Longman Scientific and Technical.
استشهاد بنمط شيكاغوBurton, Jon., و Lisa Burton. Interpersonal Skills for Travel and Tourism. Burnt Mill, Harlow: Longman Scientific and Technical, 1995.
MLA استشهادBurton, Jon., و Lisa Burton. Interpersonal Skills for Travel and Tourism. Burnt Mill, Harlow: Longman Scientific and Technical, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.