Schubert, W. (1950). Sybellus for evangelism. General Conferencia of S.D.A.
Chicagoスタイル(17版)引用形式Schubert, Walter. Sybellus for Evangelism. General Conferencia of S.D.A, 1950.
MLA(9版)引用形式Schubert, Walter. Sybellus for Evangelism. General Conferencia of S.D.A, 1950.
警告: この引用は必ずしも正確ではありません.