APA (7th ed.) Citation

Siregar, R. (1987). Bridge Indonesia di gelanggang dunia. Pustaka KGU.

Chicago Style (17th ed.) Citation

Siregar, Ras. Bridge Indonesia Di Gelanggang Dunia. Pustaka KGU, 1987.

MLA (8th ed.) Citation

Siregar, Ras. Bridge Indonesia Di Gelanggang Dunia. Pustaka KGU, 1987.

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