APA (7th ed.) Citation

SARWADI. (1981). Langkah Maju Berbahasa Indonesia. Lukman Offset.

Chicago Style (17th ed.) Citation

SARWADI. Langkah Maju Berbahasa Indonesia. Lukman Offset, 1981.

MLA (8th ed.) Citation

SARWADI. Langkah Maju Berbahasa Indonesia. Lukman Offset, 1981.

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