Gaya APA
Carnegie, D., Irawati, R. (2015).
E books 10 Steps To A More Fulfilling Life .
Jakarta Selatan:
Zaytuna Ufuk Abadi.
Gaya MLA
Carnegie, Dale., Irawati, Riana.
"E books 10 Steps To A More Fulfilling Life".
Jakarta Selatan:
Zaytuna Ufuk Abadi,
2015.
Electronic Resource.