Gaya APA

Whitehead, E, E., Whitehead, J, D. (1986). Seasons of strength New visions of adult christian maturing . : doubleday image book.

Gaya MLA

Whitehead, Evelyn, Eaton., Whitehead, James, D.. "Seasons of strength New visions of adult christian maturing". : doubleday image book, 1986. Text.