APA (7th ed.) Citation

Leavell, U. W. (1961). Teacher's guide book: Open doors. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Leavell, Ullin W. Teacher's Guide Book: Open Doors. Gramedia Pustaka Utama, 1961.

MLA (8th ed.) Citation

Leavell, Ullin W. Teacher's Guide Book: Open Doors. Gramedia Pustaka Utama, 1961.

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