KIRBY, D. M; ZAKALIK, J. M. 1992. Directory of special libraries and information centers 1993: <a> guide ... Vol. 1. Part 1, A-M (Entries 1-10948). 16th ed. Detroit: Gale Research.
Citace podle APA (7th ed.)Kirby, D. M., & Zakalik, J. M. (1992). Directory of special libraries and information centers 1993: <a> guide ... Vol. 1. Part 1, A-M (Entries 1-10948) (16th ed.). Gale Research.
Citace podle Chicago (17th ed.)Kirby, Debra M., a Joanna M. Zakalik. Directory of Special Libraries and Information Centers 1993: <a> Guide ... Vol. 1. Part 1, A-M (Entries 1-10948). 16th ed. Detroit: Gale Research, 1992.
Citace podle MLA (9th ed.)Kirby, Debra M., a Joanna M. Zakalik. Directory of Special Libraries and Information Centers 1993: <a> Guide ... Vol. 1. Part 1, A-M (Entries 1-10948). 16th ed. Gale Research, 1992.
