Gaya APA

Pakpahan, M, Y, 0. (2018). The correlation between students understanding of verb pattern 11 and their ability to write argumentative essay: A study conducted to the fifth semester students of english educstion study program pakuan university . Bogor: FKIP.

Gaya MLA

Pakpahan, Mariana, Yunita, 031113168. "The correlation between students understanding of verb pattern 11 and their ability to write argumentative essay: A study conducted to the fifth semester students of english educstion study program pakuan university". Bogor: FKIP, 2018. Text.