Lua APA (7ú heag.)

Duncan, R. (1992). Agricultural Futures and Options. ELSEVIER.

Lua i Stíl Chicago (17ú heag.)

Duncan, Richard. Agricultural Futures and Options. ELSEVIER, 1992.

Lua MLA (8ú heag.)

Duncan, Richard. Agricultural Futures and Options. ELSEVIER, 1992.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.