APA
Nigeria I. (. o., Nigeria I. (. o., . (1970). Second national development plan 1970-74. : .
Chicago
Nigeria Information (Ministry of-), Nigeria Information (Ministry of-), . 1970. Second national development plan 1970-74. : .
Harvard
Nigeria I. (. o., Nigeria I. (. o., . (1970). Second national development plan 1970-74. : .
MLA
Nigeria Information (Ministry of-), Nigeria Information (Ministry of-), . Second national development plan 1970-74. : . 1970.