Grape, H. M. (2019). Archivmaterialien zu Henning Martin Grape.
Chicago Style (17th ed.) CitationGrape, Henning Martin. Archivmaterialien Zu Henning Martin Grape. 2019.
MLA引文Grape, Henning Martin. Archivmaterialien Zu Henning Martin Grape. 2019.
警告:這些引文格式不一定是100%准確.