https://books.google.co.id/books?id=4ryFAwAAQBAJ&pg=PA30&lpg=PA30&dq=wacc+formula+google+book&source=bl&ots=1PW-YwFLsF&sig=WGUJtIHg4eQ67_SUqQ2EcD5neyE&hl=id&sa=X&ved=0ahUKEwjY56W1wfnWAhXKsI8KHVgOAGMQ6AEIbjAI#v=onepage&q=wacc%20is%20thus&f=false

http://www.investopedia.com/articles/06/capm.asp

http://www.investopedia.com/terms/w/wacc.asp

https://books.google.co.id/books?id=OOeytnVEJ7kC&printsec=frontcover&dq=capm&hl=id&sa=X&ved=0ahUKEwiOl5Pbx_nWAhUN_WMKHfY8ApIQ6AEILzAB#v=onepage&q=capm&f=false

https://books.google.co.id/books?id=4ryFAwAAQBAJ&printsec=frontcover&hl=id#v=onepage&q=capm&f=false

https://books.google.co.id/books?id=4ryFAwAAQBAJ&printsec=frontcover&hl=id#v=onepage&q&f=false

http://macabacus.com/valuation/dcf/wacc

http://smallbusiness.chron.com/calculate-wacc-39819.html