Yashima, T. (1977). Umbrella. Puffin Books.
Cita Chicago (17th ed.)Yashima, Taro. Umbrella. New York: Puffin Books, 1977.
Cita MLA (9th ed.)Yashima, Taro. Umbrella. Puffin Books, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)