D. G. · J.D. · J. G. · J. Garland
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| 1978 National electrical code questions and answers | 978-0-13-622779-3 | 1979 | |
| 1981 National Electrical Code: Questions and answers | Paperback | 978-0-13-609339-8 | 1981 |
| 1984 National Electrical Code Questions and Answers | " | 978-0-13-609553-8 | 1984 |
| 1984 National Electrical Code Questions and Answers | Hardcover | 978-0-13-609561-3 | 1984 |
| 1987 National Electrical Code Questions and Answers | Paperback | 978-0-13-609587-3 | 1988 |
| National electrical code reference book | Hardcover | 978-0-13-609546-0 | 1984 |
| National electrical code reference book | " | 978-0-13-609305-3 | 1977 |
| National electrical code reference book: Based on the 1978 code | Paperback | 978-0-13-609313-8 | 1979 |
| National electrical code reference book: Based on the 1981 code | Hardcover | 978-0-13-609321-3 | 1981 |
| National Electrical Code Reference Book: Based on the 1987 Code | " | 978-0-13-609579-8 | 1987 |