APA Style

Sukardi, Hadi Ahmad, Hapitriyani, Elfa. (). . : .

Chicago Style

Sukardi, Hadi Ahmad, Hapitriyani, Elfa. . : , . .

MLA Style

Sukardi, Hadi Ahmad, Hapitriyani, Elfa. . : , . .

Turabian Style

Sukardi, Hadi Ahmad, Hapitriyani, Elfa. . : , . .