Lua APA (7ú heag.)

Lydall, H. (1968). The structure of earnings. Clarendon P..

Lua i Stíl Chicago (17ú heag.)

Lydall, Harold. The Structure of Earnings. Oxford: Clarendon P., 1968.

Lua MLA (9ú heag.)

Lydall, Harold. The Structure of Earnings. Clarendon P., 1968.

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