Παραπομπή σε μορφή APA (7η εκδ.)

Heldreich, G. J. (1990). The History of the von Heldreich family and their English descendants: By Graeme John Heldreich. Aries Print.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Heldreich, Graeme John. The History of the Von Heldreich Family and Their English Descendants: By Graeme John Heldreich. Coventry: Aries Print, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Heldreich, Graeme John. The History of the Von Heldreich Family and Their English Descendants: By Graeme John Heldreich. Aries Print, 1990.