Marshall, J. A. (1990). Conservation manual: A handbook for the use of archaelogical officers and others entrusted with the care of ancient monuments.
استشهاد بنمط شيكاغوMarshall, John; Author. Conservation Manual: A Handbook for the Use of Archaelogical Officers and Others Entrusted with the Care of Ancient Monuments. New Delhi, Asian Educational Services, 1990.
MLA استشهادMarshall, John; Author. Conservation Manual: A Handbook for the Use of Archaelogical Officers and Others Entrusted with the Care of Ancient Monuments. 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.