APA

Fraser S. E., .American education in foreign perspectives: twentieth century essays. Estados Unidos de América: John Wiley & Sons.

Chicago

Fraser Stewart E, .American education in foreign perspectives: twentieth century essays. Estados Unidos de América: John Wiley & Sons.

Harvard

Fraser S. E., .American education in foreign perspectives: twentieth century essays. Estados Unidos de América: John Wiley & Sons.

MLA

Fraser Stewart E, .Estados Unidos de América: John Wiley & Sons. .