Schreiner, S. A. (2006). The Concord quartet: Alcott, Emerson, Hawthorne, Thoreau, and the friendship that freed the American mind. Hoboken, N.J: John Wiley & Sons.
Dyfyniad Arddull ChicagoSchreiner, Samuel Agnew. The Concord Quartet: Alcott, Emerson, Hawthorne, Thoreau, and the Friendship That Freed the American Mind. Hoboken, N.J: John Wiley & Sons, 2006.
Dyfyniad MLASchreiner, Samuel Agnew. The Concord Quartet: Alcott, Emerson, Hawthorne, Thoreau, and the Friendship That Freed the American Mind. Hoboken, N.J: John Wiley & Sons, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.