Inggris, T. P. P. S. (1992). Speaking Upper - Intermediate Study Guide.
Chicago Style (17th ed.) CitationInggris, Tim Penghimpun Program Studi. Speaking Upper - Intermediate Study Guide. 1992.
MLA (8th ed.) CitationInggris, Tim Penghimpun Program Studi. Speaking Upper - Intermediate Study Guide. 1992.
Warning: These citations may not always be 100% accurate.