Botsford, F. H., & Engel, C. (1930). Botsford collection of folk-songs: With English versions by American poets (Rev. ed.). Schirmer.
Chicagoスタイル(17版)引用形式Botsford, Florence Hudson, , Carl Engel. Botsford Collection of Folk-songs: With English Versions by American Poets. Rev. ed. New York: Schirmer, 1930.
MLA(8版)引用形式Botsford, Florence Hudson, , Carl Engel. Botsford Collection of Folk-songs: With English Versions by American Poets. Rev. ed. Schirmer, 1930.
警告: この引用は必ずしも正確ではありません.