Gaya APA

Lade, S, K. (2018). Forward an English Course for Vocational School Students Grade X K. 13 (KI-KD 2018) . : Erlangga.

Gaya MLA

Lade, Shyla, K.. "Forward an English Course for Vocational School Students Grade X K. 13 (KI-KD 2018)". : Erlangga, 2018. Text.