Great Britain. Office of Commonwealth Relations & Great Britain. Parliament. (1960). Federation of Nigeria: International rights and obligations : exchange of letters between the government of the United Kingdom and the government of the Federation of Nigeria. H.M.S.O..
Παραπομπή σε μορφή Chicago (17η εκδ.)Great Britain. Office of Commonwealth Relations και Great Britain. Parliament. Federation of Nigeria: International Rights and Obligations : Exchange of Letters Between the Government of the United Kingdom and the Government of the Federation of Nigeria. London: H.M.S.O., 1960.
Παραπομπή σε μορφή MLA (8th εκδ.)Great Britain. Office of Commonwealth Relations και Great Britain. Parliament. Federation of Nigeria: International Rights and Obligations : Exchange of Letters Between the Government of the United Kingdom and the Government of the Federation of Nigeria. H.M.S.O., 1960.