Gaya APA

Johnson, T, M, &, S, Y, C. (2004). Tracking global Christianity's statistical centre ofgravity, AD 33 - AD 2100. . : .

Gaya MLA

Johnson, Todd, M., &, Sun, Young, Chung. "Tracking global Christianity's statistical centre ofgravity, AD 33 - AD 2100. ". : , 2004. Majalah.