Gaya APA

Pentecost, E, C. (1974). Reaching the unreached, an introductory study on developing an overall strategy for world evangelization. . South Pasadena: William Carey Library.

Gaya MLA

Pentecost, Edward, C.. "Reaching the unreached, an introductory study on developing an overall strategy for world evangelization. ". South Pasadena: William Carey Library, 1974. Buku.