Crespo, R. F. (2004). Gregg, Samuel, Economic Thinking for the Theologically Minded, University Press of America, Lanham-Oxford, 2001, pp. 155, ISBN 0-7618- 2096-5, 0-7618-2097-3. Sapientia, 59(215), 267-268.
Citazione stile Chigago Style (17a edizione)Crespo, Ricardo F. "Gregg, Samuel, Economic Thinking for the Theologically Minded, University Press of America, Lanham-Oxford, 2001, Pp. 155, ISBN 0-7618- 2096-5, 0-7618-2097-3." Sapientia 59, no. 215 (2004): 267-268.
Citatione MLA (9a ed.)Crespo, Ricardo F. "Gregg, Samuel, Economic Thinking for the Theologically Minded, University Press of America, Lanham-Oxford, 2001, Pp. 155, ISBN 0-7618- 2096-5, 0-7618-2097-3." Sapientia, vol. 59, no. 215, 2004, pp. 267-268.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.