APA

Youngs S, . (1989). «The work of angels»: Masterpieces of Celtic Metalwork, 6th-9th centuries AD. London: British Museum Publications Ltd.

Chicago

Youngs S, . 1989. «The work of angels»: Masterpieces of Celtic Metalwork, 6th-9th centuries AD. London: British Museum Publications Ltd.

Harvard

Youngs S, . (1989). «The work of angels»: Masterpieces of Celtic Metalwork, 6th-9th centuries AD. London: British Museum Publications Ltd.

MLA

Youngs S, . «The work of angels»: Masterpieces of Celtic Metalwork, 6th-9th centuries AD. London: British Museum Publications Ltd. 1989.