Cita APA (7th ed.)

ALLEN, K. (2002). ENERGY SCIENCE WORKS FOR KIDS SERIES. EVAN MOOR EDUCATIONAL PUBLISHERS.

Cita Chicago (17th ed.)

ALLEN, KATY.Z. ENERGY SCIENCE WORKS FOR KIDS SERIES. USA: EVAN MOOR EDUCATIONAL PUBLISHERS, 2002.

Cita MLA (9th ed.)

ALLEN, KATY.Z. ENERGY SCIENCE WORKS FOR KIDS SERIES. EVAN MOOR EDUCATIONAL PUBLISHERS, 2002.