Lydall, H. (1968). The structure of earnings. Clarendon P..
Chicago-čujuhus (17. p.)Lydall, Harold. The Structure of Earnings. Oxford: Clarendon P., 1968.
MLA-čujuhus (9. p.)Lydall, Harold. The Structure of Earnings. Clarendon P., 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.