Budhi, J. (1967). Pedoman Teknik Operasi"OPTEK". Airlangga University Press.
Chicago Style (17th ed.) CitationBudhi, Julianto. Pedoman Teknik Operasi"OPTEK". Airlangga University Press, 1967.
MLA引文Budhi, Julianto. Pedoman Teknik Operasi"OPTEK". Airlangga University Press, 1967.
警告:這些引文格式不一定是100%准確.