Daval, N., & Brennan, P. (1993). ARL Statistics, 1991-92. A Compilation of Statistics from the One Hundred and Twenty Members of the Association of Research Libraries.
Chicago-Zitierstil (17. Ausg.)Daval, Nicola, und Patricia Brennan. ARL Statistics, 1991-92. A Compilation of Statistics from the One Hundred and Twenty Members of the Association of Research Libraries. 1993.
MLA-Zitierstil (9. Ausg.)Daval, Nicola, und Patricia Brennan. ARL Statistics, 1991-92. A Compilation of Statistics from the One Hundred and Twenty Members of the Association of Research Libraries. 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.