APA-Zitierstil (7. Ausg.)

(2001). Building the Virtual Reference Desk in a 24/7 World. OCLC/Library of Congress Symposium at ALA Midwinter 2001 (Washington, DC, January 12, 2001). Tape 1 [and] Tape 2. [Videotapes].

Chicago-Zitierstil (17. Ausg.)

Building the Virtual Reference Desk in a 24/7 World. OCLC/Library of Congress Symposium at ALA Midwinter 2001 (Washington, DC, January 12, 2001). Tape 1 [and] Tape 2. [Videotapes]. 2001.

MLA-Zitierstil (9. Ausg.)

Building the Virtual Reference Desk in a 24/7 World. OCLC/Library of Congress Symposium at ALA Midwinter 2001 (Washington, DC, January 12, 2001). Tape 1 [and] Tape 2. [Videotapes]. 2001.