Gaya APA
Covell, R., Wagner, C, P. (1971).
Extension Seminary Primer, An .
South Pasadena, California, US:
William Carey Library.
Gaya MLA
Covell, Ralph., Wagner, C., Peter.
"Extension Seminary Primer, An".
South Pasadena, California, US:
William Carey Library,
1971.
Academic.