APA (7th ed.) Citation

W, L. (1993). English for specific purposes: Dialogues for secretaries 1. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

W, Lukito. English for Specific Purposes: Dialogues for Secretaries 1. Gramedia Pustaka Utama, 1993.

MLA (8th ed.) Citation

W, Lukito. English for Specific Purposes: Dialogues for Secretaries 1. Gramedia Pustaka Utama, 1993.

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