Watson, D. S. (1969). Price theory in action: A book of readings (2d ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Watson, Donald S. Price Theory in Action: A Book of Readings. 2d ed. Boston: Houghton Mifflin, 1969.
Lua MLA (8ú heag.)Watson, Donald S. Price Theory in Action: A Book of Readings. 2d ed. Houghton Mifflin, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.