PARKER, B. M. (1959). The golden book encyclopedia: Vol xii-paricutin to quicksand. Golden Press.
Cita Chicago (17th ed.)PARKER, Bertha Morris. The Golden Book Encyclopedia: Vol Xii-paricutin to Quicksand. Golden Press, 1959.
Cita MLA (9th ed.)PARKER, Bertha Morris. The Golden Book Encyclopedia: Vol Xii-paricutin to Quicksand. Golden Press, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.