Funk, C. (1983). Si Hugo: Ang pahamak na hunyango (2nd ed.). Children's Communication Center.
Cita Chicago (17th ed.)Funk, Charles. Si Hugo: Ang Pahamak Na Hunyango. 2nd ed. Quezon City: Children's Communication Center, 1983.
Cita MLA (9th ed.)Funk, Charles. Si Hugo: Ang Pahamak Na Hunyango. 2nd ed. Children's Communication Center, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.