Rice, W., Rice, F., & Gunsaulus, F. W. (1909). The wealth of friendship. Brewer, Barse & Co..
Lua i Stíl Chicago (17ú heag.)Rice, Wallace, Frances Rice, agus Frank Wakeley Gunsaulus. The Wealth of Friendship. Chicago: Brewer, Barse & Co., 1909.
Lua MLA (8ú heag.)Rice, Wallace, et al. The Wealth of Friendship. Brewer, Barse & Co., 1909.
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