Cita APA (7th ed.)
(1989). Recommended reference books for small and medium . sized libraries and media centres 1989. Libraries unlimited.
Cita Chicago (17th ed.)
Recommended Reference Books for Small and Medium . Sized Libraries and Media Centres 1989. Colorado: Libraries unlimited, 1989.
Cita MLA (9th ed.)
Recommended Reference Books for Small and Medium . Sized Libraries and Media Centres 1989. Libraries unlimited, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.