Παραπομπή APA

Gustavson., C. G. (1976). The mansion of history. Mcgraw-hill.

Παραπομπή Chicago Style

Gustavson., Carl G. The Mansion of History. USA: Mcgraw-hill, 1976.

Παραπομπή MLA

Gustavson., Carl G. The Mansion of History. Mcgraw-hill, 1976.