APA引文

Dennis , N., & NTM Dennis and T A Heppell. (1968). Vacuum System Desing. Chapaman and Hall.

Chicago Edition Citation

Dennis , NTM, and NTM Dennis and T A Heppell. Vacuum System Desing. London: Chapaman and Hall, 1968.

MLA引文

Dennis , NTM, and NTM Dennis and T A Heppell. Vacuum System Desing. Chapaman and Hall, 1968.