Gaya APA
Ennis, L, A. (2007).
GOVERNMENT DOCUMENTS LIBRARIANSHIP: A Guide for the Neo-Depository Era .
New Jersey:
Information today Inc.
Gaya MLA
Ennis, Lisa, A.
"GOVERNMENT DOCUMENTS LIBRARIANSHIP: A Guide for the Neo-Depository Era".
New Jersey:
Information today Inc,
2007.
Texts.