Index Theologicus

Citazione Stile APA (7a Edizione)

Schuller, R. H. (1983). Tough times never last, but tough people do (11. print.). Nelson.

Citazione stile Chigago Style (17a edizione)

Schuller, Robert H. Tough Times Never Last, but Tough People Do. 11. print. Nashville, Tenn. [u.a.]: Nelson, 1983.

Citatione MLA (8a ed.)

Schuller, Robert H. Tough Times Never Last, but Tough People Do. 11. print. Nelson, 1983.