(1976). Guide to reference books (9th ed.). American Library Association.
Chicagoスタイル(17版)引用形式Guide to Reference Books. 9th ed. Chicago: American Library Association, 1976.
MLA(9版)引用形式Guide to Reference Books. 9th ed. American Library Association, 1976.
警告: この引用は必ずしも正確ではありません.