https://id.wikipedia.org/wiki/Siklobutana

https://id.wikipedia.org/wiki/Alkena

http://aboutche-mistry.blogspot.my/2012/05/senyawa-hidrokarbon.html

https://ms.wikipedia.org/wiki/Siklopropena

https://id.wikipedia.org/wiki/Alkuna

https://id.wikipedia.org/wiki/Asetilena

http://kimia-asyik.blogspot.my/2010/06/haloalkana.html

https://ms.wikipedia.org/wiki/Alkohol

https://ms.wikipedia.org/wiki/Isomer

http://study.com/academy/lesson/what-is-ketone-definition-structure-formation-formula.html

https://en.wikipedia.org/wiki/Methylamine