Gaya APA
Branley, F, M., Bond, F. (1981).
Sky Is Full of Stars, The: Let's- Read- And- Find- Out- Science, Stage 2 .
New York:
HarperCollins Publishers.
Gaya MLA
Branley, Franklyn, M.., Bond, Felicia.
"Sky Is Full of Stars, The: Let's- Read- And- Find- Out- Science, Stage 2".
New York:
HarperCollins Publishers,
1981.
Text.