Willett, H. L. (1931). The daily altar: An aid to private devotion and family worship. s.n.].
Citace podle Chicago (17th ed.)Willett, Herbert Lockwood. The Daily Altar: An Aid to Private Devotion and Family Worship. [S.l: s.n.], 1931.
Citace podle MLA (9th ed.)Willett, Herbert Lockwood. The Daily Altar: An Aid to Private Devotion and Family Worship. s.n.], 1931.
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