Sheehan, C. (1981). Pipes that won't smoke; coal that won't burn.
Chicago-Zitierstil (17. Ausg.)Sheehan, Carol. Pipes That Won't Smoke; Coal That Won't Burn. 1981.
MLA-Zitierstil (9. Ausg.)Sheehan, Carol. Pipes That Won't Smoke; Coal That Won't Burn. 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.