Gaya APA
Soergel, D. (1985).
Organizing information : principles of data base and retrieval systems / Dagobert Soergel .
San Diego, Calif.:
Academic Press.
Gaya MLA
Soergel, Dagobert.
"Organizing information : principles of data base and retrieval systems / Dagobert Soergel".
San Diego, Calif.:
Academic Press,
1985.
Buku.