APA Style

Arens, Alvin A., Wibowo, Herman, Loebbecke, James K, Tjakrakusuma, Ilham, Sinaga, Alson. (). . : .

Chicago Style

Arens, Alvin A., Wibowo, Herman, Loebbecke, James K, Tjakrakusuma, Ilham, Sinaga, Alson. . : , . .

MLA Style

Arens, Alvin A., Wibowo, Herman, Loebbecke, James K, Tjakrakusuma, Ilham, Sinaga, Alson. . : , . .

Turabian Style

Arens, Alvin A., Wibowo, Herman, Loebbecke, James K, Tjakrakusuma, Ilham, Sinaga, Alson. . : , . .