Laws, E. Archivmaterialien zu Ernst Laws, 1903-1981.
Chicago Style (17th ed.) CitationLaws, Ernst. Archivmaterialien Zu Ernst Laws, 1903-1981.
MLA引文Laws, Ernst. Archivmaterialien Zu Ernst Laws, 1903-1981.
警告：這些引文格式不一定是100％准確.
APA引文
