Gaya APA

baehaqi, I., Kamdani, . (2008). Practical english grammar . Gorontalo: Lanskap Zaman,dan Pustaka Pelajar.

Gaya MLA

baehaqi, Imam., Kamdani, . "Practical english grammar". Gorontalo: Lanskap Zaman,dan Pustaka Pelajar, 2008. Text.