Penggunaan sumber rujukan media elektronik di perpustakaan by Siti Adnon Abd. Wahid

Subjects: “…Electronic reference sources…”

Reference and information services an introduction by Cassell, Kay Ann

Subjects: “…Electronic reference sources Directories…”

Pengurusan dan penawaran sumber maklumat elektronik by Mazmin Mat Akhir

Subjects: “…Electronic reference sources.…”

Fundamentals of Managing Reference Collections by Singer, Carol A.

Subjects: “…Electronic reference sources United States…”