APA引文

Sumitro, D., & Sumitro, D. (1977). Science Resources And Development, Selected Essays Sumitro Djojohadikusumo. LP3ES.

Chicago Style (17th ed.) Citation

Sumitro, DJOJOHADIKUSUMO, and DJOJOHADIKUSUMO Sumitro. Science Resources And Development, Selected Essays Sumitro Djojohadikusumo. LP3ES, 1977.

MLA引文

Sumitro, DJOJOHADIKUSUMO, and DJOJOHADIKUSUMO Sumitro. Science Resources And Development, Selected Essays Sumitro Djojohadikusumo. LP3ES, 1977.

警告：這些引文格式不一定是100％准確.