APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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

Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.