APA Citation

Levisa, L. (2013). Paling Gampang Menguasai Grammar. Infra Group.

Chicago Style Citation

Levisa, Louis. Paling Gampang Menguasai Grammar. Infra Group, 2013.

MLA Citation

Levisa, Louis. Paling Gampang Menguasai Grammar. Infra Group, 2013.

Warning: These citations may not always be 100% accurate.