Siregar, R. (1987). Bridge Indonesia di gelanggang dunia. Pustaka KGU.
Chicago Style CitationSiregar, Ras. Bridge Indonesia Di Gelanggang Dunia. Pustaka KGU, 1987.
MLA CitationSiregar, Ras. Bridge Indonesia Di Gelanggang Dunia. Pustaka KGU, 1987.
Warning: These citations may not always be 100% accurate.