APA引文

Harman, T. L., & Allen, C. E. (1990). Guide to the National Electrical Code (1990 ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Harman, Thomas L., and Charles E. Allen. Guide to the National Electrical Code. 1990 ed. Englewood Cliffs, N.J: Prentice-Hall, 1990.

MLA引文

Harman, Thomas L., and Charles E. Allen. Guide to the National Electrical Code. 1990 ed. Prentice-Hall, 1990.