APA (7. basım) Alıntı

Ryken, L. (1987). Work and Leisure: In Christian perspective. Inter-Varsity.

Chicago Style (17. basım) Atıf

Ryken, Leland. Work and Leisure: In Christian Perspective. England: Inter-Varsity, 1987.

MLA (9th ed.) Atıf

Ryken, Leland. Work and Leisure: In Christian Perspective. Inter-Varsity, 1987.