APA (7th ed.) Citation

Inggris, T. P. P. S. (1992). Speaking upper-intermediate: Study guide. LP3B Universitas Terbuka.

Chicago Style (17th ed.) Citation

Inggris, Tim Penghimpun Program Studi. Speaking Upper-intermediate: Study Guide. LP3B Universitas Terbuka, 1992.

MLA (8th ed.) Citation

Inggris, Tim Penghimpun Program Studi. Speaking Upper-intermediate: Study Guide. LP3B Universitas Terbuka, 1992.

Warning: These citations may not always be 100% accurate.