Παραπομπή APA

(1977). The Adult Years,by Wilbur Bradbury and the Editors of Time-Life Books. Time-Life International.

Παραπομπή Chicago Style

The Adult Years,by Wilbur Bradbury and the Editors of Time-Life Books. Nederland: Time-Life International, 1977.

Παραπομπή MLA

The Adult Years,by Wilbur Bradbury and the Editors of Time-Life Books. Time-Life International, 1977.