Carver, W. O. (1939). Book Review: They Worked for a Better World. Review and expositor, 36(4), 502-503. doi:10.1177/003463733903600447
Παραπομπή σε μορφή Chicago (17η εκδ.)Carver, William Owen. "Book Review: They Worked for a Better World." Review and Expositor 36, no. 4 (1939): 502-503, https://doi.org/10.1177/003463733903600447.
Παραπομπή σε μορφή MLA (9th εκδ.)Carver, William Owen. "Book Review: They Worked for a Better World." Review and Expositor, vol. 36, no. 4, 1939, pp. 502-503, https://doi.org/10.1177/003463733903600447.
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