(1978). International subscription agents: An annotated directory. American Library Association.
Chicagoスタイル(17版)引用形式International Subscription Agents: An Annotated Directory. Chicago: American Library Association, 1978.
MLA(9版)引用形式International Subscription Agents: An Annotated Directory. American Library Association, 1978.
警告: この引用は必ずしも正確ではありません.