Willett, H. L. (1931). The daily altar: An aid to private devotion and family worship. s.n.].
Chicagoスタイル(17版)引用形式Willett, Herbert Lockwood. The Daily Altar: An Aid to Private Devotion and Family Worship. [S.l: s.n.], 1931.
MLA(9版)引用形式Willett, Herbert Lockwood. The Daily Altar: An Aid to Private Devotion and Family Worship. s.n.], 1931.
警告: この引用は必ずしも正確ではありません.