Gaya APA

lush, E., mcdougall, C. (2016). How to speak with confidence in public (Cet.1). London: PT. SINAR STAR BOOKS.

Gaya MLA

lush, Edie., mcdougall, Charlotte. "How to speak with confidence in public". Cet.1 London: PT. SINAR STAR BOOKS, 2016. Text.