Kaiser, A. K. (2020). Become ITIL Foundation Certified in 7 Days. Apress.
استشهاد بنمط شيكاغوKaiser, Abhinav Krishna. Become ITIL Foundation Certified in 7 Days. Apress, 2020.
MLA استشهادKaiser, Abhinav Krishna. Become ITIL Foundation Certified in 7 Days. Apress, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.