APA-Zitierstil (7. Ausg.)

(2012). Library photocopy services benchmarks. Primary Research Group.

Chicago-Zitierstil (17. Ausg.)

Library Photocopy Services Benchmarks. New York: Primary Research Group, 2012.

MLA-Zitierstil (9. Ausg.)

Library Photocopy Services Benchmarks. Primary Research Group, 2012.