United National Association of Post Office Craftsmen. (1957). The post office employee. United National Association of Post Office Craftsmen.
Chicago Style (17th ed.) CitationUnited National Association of Post Office Craftsmen. The Post Office Employee. Washington, D.C.: United National Association of Post Office Craftsmen, 1957.
MLA引文United National Association of Post Office Craftsmen. The Post Office Employee. United National Association of Post Office Craftsmen, 1957.
警告：這些引文格式不一定是100％准確.