Gaya APA

Astuti, E, M., Lande, S, K. (2018). Foeward An english ; course to vocational school students grade XI . Jakarta: Penerbit Universitas Indonesia.

Gaya MLA

Astuti, Eka, Mulya., Lande, Shyla, K. "Foeward An english ; course to vocational school students grade XI". Jakarta: Penerbit Universitas Indonesia, 2018. Text.