Jochen, W., & Christopher, L. (2023). Essentials of Services Marketing (3rd Edition). Pearson Education.
استشهاد بنمط شيكاغوJochen, Wirtz, و Lovelock Christopher. Essentials of Services Marketing (3rd Edition). Pearson Education, 2023.
MLA استشهادJochen, Wirtz, و Lovelock Christopher. Essentials of Services Marketing (3rd Edition). Pearson Education, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.