Smith, Janice Gorzynski (2011). "Chapter 4 Alkanes". Organic chemistry (بالإنجليزية) (3rd ed.). New York, NY: McGraw-Hill. p. 116. ISBN:978-0-07-337562-5. Archived from the original(Book) on 2018-06-28.
web.archive.org
Smith, Janice Gorzynski (2011). "Chapter 4 Alkanes". Organic chemistry (بالإنجليزية) (3rd ed.). New York, NY: McGraw-Hill. p. 116. ISBN:978-0-07-337562-5. Archived from the original(Book) on 2018-06-28.
