APA (7th ed.) Citation

Waladdin Panggabean. (2018). The Method of English Language Learning at Cambridge English Course Balikpapan. Universitas Cokroaminoto Palopo.

Chicago Style (17th ed.) Citation

Waladdin Panggabean. The Method of English Language Learning at Cambridge English Course Balikpapan. Universitas Cokroaminoto Palopo, 2018.

MLA (9th ed.) Citation

Waladdin Panggabean. The Method of English Language Learning at Cambridge English Course Balikpapan. Universitas Cokroaminoto Palopo, 2018.

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