MLA Style
Dewi, Ratna. English Crossword and Searching Words Puzzle (Brain Teasers). Surabaya: CV. Pustaka MediaGuru, 2019. Online.
Chicago Style
Dewi, Ratna. English Crossword and Searching Words Puzzle (Brain Teasers). Surabaya: CV. Pustaka MediaGuru, 2019.
Turabian Style
Dewi, Ratna, English Crossword and Searching Words Puzzle (Brain Teasers). Surabaya: CV. Pustaka MediaGuru, 2019.
APA Style
Dewi, Ratna. (2019). English Crossword and Searching Words Puzzle (Brain Teasers). Surabaya: CV. Pustaka MediaGuru.
Harvard Style
Dewi, Ratna, 2019, English Crossword and Searching Words Puzzle (Brain Teasers), CV. Pustaka MediaGuru, Surabaya.
IEEE Style
Ratna Dewi, English Crossword and Searching Words Puzzle (Brain Teasers). Surabaya: CV. Pustaka MediaGuru, 2019.