Gratry, A., & Brown, S. J. M. (1931). The well-springs. Burns, Oates & Washbourne, Ltd..
Lua i Stíl Chicago (17ú heag.)Gratry, A., agus Stephen J. M. Brown. The Well-springs. London: Burns, Oates & Washbourne, Ltd., 1931.
Lua MLA (8ú heag.)Gratry, A., agus Stephen J. M. Brown. The Well-springs. Burns, Oates & Washbourne, Ltd., 1931.
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