Citazione Stile APA (7a Edizione)

(1980). Language problems & language planning. University of Texas Press in cooperation with the Center for Research and Documentation on World Language Problems.

Citazione stile Chigago Style (17a edizione)

Language Problems & Language Planning. Austin, Texas: University of Texas Press in cooperation with the Center for Research and Documentation on World Language Problems, 1980.

Citatione MLA (9a ed.)

Language Problems & Language Planning. University of Texas Press in cooperation with the Center for Research and Documentation on World Language Problems, 1980.