APA aipamena

Nigeria. Dept. of Statistics. Trade report. Federal Govt. Printer [etc.].

Chicago Style aipamena

Nigeria. Dept. of Statistics. Trade Report. Lagos: Federal Govt. Printer [etc.].

MLA aipamena

Nigeria. Dept. of Statistics. Trade Report. Federal Govt. Printer [etc.].

Kontuz: berrikusi erreferentzia hauek erabili aurretik.