United States. Library of Congress, Savage, H., Droste, K. D., & Runshock, R. (1987). Library of Congress classification schedules combined with additions and changes through 1986 Class P : Philology and literature: Subclass PB-PH : Modern European languages. Gale Research Inc.
Chicago Style (17th ed.) CitationUnited States. Library of Congress, Helen Savage, Kathleen D. Droste, and Rita Runshock. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class P : Philology and Literature: Subclass PB-PH : Modern European Languages. Detroit: Gale Research Inc, 1987.
MLA (9th ed.) CitationUnited States. Library of Congress, et al. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class P : Philology and Literature: Subclass PB-PH : Modern European Languages. Gale Research Inc, 1987.