Não informado. (1968). Librarians Handbook. EBSCO Subscription Service.
Chicago Style (17th ed.) CitationNão informado. Librarians Handbook. Birmingham, Ala: EBSCO Subscription Service, 1968.
MLA (8th ed.) CitationNão informado. Librarians Handbook. EBSCO Subscription Service, 1968.
Warning: These citations may not always be 100% accurate.