APA Style

Luik, Jandy, Aritonang, Agusly. (). . : .

Chicago Style

Luik, Jandy, Aritonang, Agusly. . : , . .

MLA Style

Luik, Jandy, Aritonang, Agusly. . : , . .

Turabian Style

Luik, Jandy, Aritonang, Agusly. . : , . .