GLOVER, D. (1999). YOUNG DISCOVERERS FLYING AND FLOATING SCIENCE WITH AIR AND WATER.
Cita Chicago (17th ed.)GLOVER, DAVID. YOUNG DISCOVERERS FLYING AND FLOATING SCIENCE WITH AIR AND WATER. 1999.
Cita MLA (9th ed.)GLOVER, DAVID. YOUNG DISCOVERERS FLYING AND FLOATING SCIENCE WITH AIR AND WATER. 1999.
Atenció: Aquestes cites poden no estar 100% correctes.