APA:
CopySCHAERSTROM, A.. (2009). DISEASE DIFFUSION. INTERNATIONAL ENCYCLOPEDIA OF HUMAN GEOGRAPHY, -(-), 0-0. SID. https://sid.ir/paper/610467/en
Vancouver:
CopySCHAERSTROM A.. DISEASE DIFFUSION. INTERNATIONAL ENCYCLOPEDIA OF HUMAN GEOGRAPHY[Internet]. 2009;-(-):0-0. Available from: https://sid.ir/paper/610467/en
IEEE:
CopyA. SCHAERSTROM, “DISEASE DIFFUSION,” INTERNATIONAL ENCYCLOPEDIA OF HUMAN GEOGRAPHY, vol. -, no. -, pp. 0–0, 2009, [Online]. Available: https://sid.ir/paper/610467/en