APA Style

Endang Sumantri, Sofyan Sauri. (). . : .

Chicago Style

Endang Sumantri, Sofyan Sauri. . : , . .

MLA Style

Endang Sumantri, Sofyan Sauri. . : , . .

Turabian Style

Endang Sumantri, Sofyan Sauri. . : , . .