Dyfyniad APA

Herring, G. C. (2002). America'slongest war: The united states and vietnam, 19501975. McGrawHill.

Dyfyniad Arddull Chicago

Herring, George C. America'slongest War: The United States and Vietnam, 19501975. London: McGrawHill, 2002.

Dyfyniad MLA

Herring, George C. America'slongest War: The United States and Vietnam, 19501975. McGrawHill, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.