APA Citation

Olga Dona Retsi. (2018). Intensive course speaking (Cetakan pertama: September 2018.). Yogyakarta: Deepublish.

Chicago Style Citation

Olga Dona Retsi. Intensive Course Speaking. Cetakan pertama: September 2018. Yogyakarta: Deepublish, 2018.

MLA Citation

Olga Dona Retsi. Intensive Course Speaking. Cetakan pertama: September 2018. Yogyakarta: Deepublish, 2018.

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