Dyfyniad APA

Sykes, C. (1968). Troubled loyalty: A biography of Adam von Trott zu Zolz. Collins.

Dyfyniad Arddull Chicago

Sykes, Christopher. Troubled Loyalty: A Biography of Adam Von Trott Zu Zolz. London: Collins, 1968.

Dyfyniad MLA

Sykes, Christopher. Troubled Loyalty: A Biography of Adam Von Trott Zu Zolz. Collins, 1968.

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