APA
Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), . (1961). Annual report, 1960-61. : .
Chicago
Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), . 1961. Annual report, 1960-61. : .
Harvard
Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), . (1961). Annual report, 1960-61. : .
MLA
Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), Northern Nigeria Animal Health and Forestry (Ministry of ---) Veterinary (Division ), . Annual report, 1960-61. : . 1961.