APA (7. basım) Alıntı

Willis, W. R. (1979). 200 years and still counting: Past, present and future of the sunday school. Victor Books.

Chicago Style (17. basım) Atıf

Willis, Wesley R. 200 Years and Still Counting: Past, Present and Future of the Sunday School. Illinois: Victor Books, 1979.

MLA (9th ed.) Atıf

Willis, Wesley R. 200 Years and Still Counting: Past, Present and Future of the Sunday School. Victor Books, 1979.