Lordahl, E. (2000). Prisoner Mail: Objects to collect and handbook of registered objects;Part 1: Introduction and camps A - K. German Concentration Camps : 1933 -1945;history, related philatelic material and system of registration of inmate mail.
Chicago Style (17th ed.) CitationLordahl, Erik. "Prisoner Mail: Objects to Collect and Handbook of Registered Objects;Part 1: Introduction and Camps A - K." German Concentration Camps : 1933 -1945;history, Related Philatelic Material and System of Registration of Inmate Mail 2000.
MLA (8th ed.) CitationLordahl, Erik. "Prisoner Mail: Objects to Collect and Handbook of Registered Objects;Part 1: Introduction and Camps A - K." German Concentration Camps : 1933 -1945;history, Related Philatelic Material and System of Registration of Inmate Mail, 2000.
Warning: These citations may not always be 100% accurate.
