APA (7th ed.) Citation

Leo, S. (2006). English for Leisure Time Speaking Intermediate Level. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Leo, Sutanto. English for Leisure Time Speaking Intermediate Level. Gramedia Pustaka Utama, 2006.

MLA (8th ed.) Citation

Leo, Sutanto. English for Leisure Time Speaking Intermediate Level. Gramedia Pustaka Utama, 2006.

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