APA-čujuhus (7. p.)
Erugo, S. (2019). Introduction to Nigerian labour law: Contract of employment and labour practice (Second edition.). Princeton & Associates Publishing Co. Ltd..
Chicago-čujuhus (17. p.)
Erugo, Sam. Introduction to Nigerian Labour Law: Contract of Employment and Labour Practice. Second edition. Lagos: Princeton & Associates Publishing Co. Ltd., 2019.
MLA-čujuhus (9. p.)
Erugo, Sam. Introduction to Nigerian Labour Law: Contract of Employment and Labour Practice. Second edition. Princeton & Associates Publishing Co. Ltd., 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.