Bliss Henry Evelyn. (1969). Abridged Bliss classification: Bibliographic classification revised for school libraries.
Chicago Edition CitationBliss Henry Evelyn. Abridged Bliss Classification: Bibliographic Classification Revised for School Libraries. 1969.
ציטוט MLABliss Henry Evelyn. Abridged Bliss Classification: Bibliographic Classification Revised for School Libraries. 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.