Gaya APA
Hernon, P. (1998.).
Assesing Service quality: statisfying the expectation of library customers / Peter Hernon, Ellen Altman. .
:
American Library Association.
Gaya MLA
Hernon, Peter.
"Assesing Service quality: statisfying the expectation of library customers / Peter Hernon, Ellen Altman.".
:
American Library Association,
1998..
Referensi.