Gaya APA

DARMANTO, . et al (2011). Letter : A More Sysmetrical Formulation Of Euler-Lagrange Equation For Machanical Problems . : Fak. MIPA-UNS.

Gaya MLA

DARMANTO, . et al. "Letter : A More Sysmetrical Formulation Of Euler-Lagrange Equation For Machanical Problems". : Fak. MIPA-UNS, 2011. Artikel.