Salazar Duque, D. (2020). The food and beverage home delivery service and the market purchasing behavior due to the impact of covid_19.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Salazar Duque, Diego. The Food and Beverage Home Delivery Service and the Market Purchasing Behavior Due to the Impact of Covid_19. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Salazar Duque, Diego. The Food and Beverage Home Delivery Service and the Market Purchasing Behavior Due to the Impact of Covid_19. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.