稚子文化. (2011). 少儿阶梯科学实验 第四阶: Children's scientific experiments——step by step. 云南教育出版社.
Chicago Style (17th ed.) Citation稚子文化. 少儿阶梯科学实验 第四阶: Children's Scientific Experiments——step by Step. 云南教育出版社, 2011.
Cita MLA稚子文化. 少儿阶梯科学实验 第四阶: Children's Scientific Experiments——step by Step. 云南教育出版社, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.