MLA Style
Apriyanti, Rika. English Crossword Puzzle is Fun (For Elementary School). Surabaya: CV. Pustaka MediaGuru, 2019. Online.
Chicago Style
Apriyanti, Rika. English Crossword Puzzle is Fun (For Elementary School). Surabaya: CV. Pustaka MediaGuru, 2019.
Turabian Style
Apriyanti, Rika, English Crossword Puzzle is Fun (For Elementary School). Surabaya: CV. Pustaka MediaGuru, 2019.
APA Style
Apriyanti, Rika. (2019). English Crossword Puzzle is Fun (For Elementary School). Surabaya: CV. Pustaka MediaGuru.
Harvard Style
Apriyanti, Rika, 2019, English Crossword Puzzle is Fun (For Elementary School), CV. Pustaka MediaGuru, Surabaya.
IEEE Style
Rika Apriyanti, English Crossword Puzzle is Fun (For Elementary School). Surabaya: CV. Pustaka MediaGuru, 2019.