Gaya APA

Hawes, J., Alexander, E. (1991). Fireflies in the Night: Let's- Read- And- Find- Out- Science, Stage 1 . New York: HarperCollins Publishers.

Gaya MLA

Hawes, Judy., Alexander, Ellen. "Fireflies in the Night: Let's- Read- And- Find- Out- Science, Stage 1". New York: HarperCollins Publishers, 1991. Text.