Παραπομπή σε μορφή APA (7η εκδ.)

Nigeria. Audit Dept & Nigerian Government Railway. Report on the audit of the accounts of the Nigerian Government Railway (including Motor Road Services). Govt. Printer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nigeria. Audit Dept και Nigerian Government Railway. Report on the Audit of the Accounts of the Nigerian Government Railway (including Motor Road Services). Lagos: Govt. Printer.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nigeria. Audit Dept και Nigerian Government Railway. Report on the Audit of the Accounts of the Nigerian Government Railway (including Motor Road Services). Govt. Printer.