Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Helen, T. (1975). Organization of Roman brick production in the first and second centuries A.D.: An interpretation of Roman brick stamps. Academia Scientiarum Fennica.

Chicago Citation Edition Citation

Helen, Tapio. Organization of Roman Brick Production in the First and Second Centuries A.D.: An Interpretation of Roman Brick Stamps. Helsinki: Academia Scientiarum Fennica, 1975.

MLA Citation Edition Citation

Helen, Tapio. Organization of Roman Brick Production in the First and Second Centuries A.D.: An Interpretation of Roman Brick Stamps. Academia Scientiarum Fennica, 1975.