Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.