I dont know whose the first person made this pattern. Too many patterns look like similar . I took one of the link that I thought it's clear enough ( with basic tutorial inside ). Click here for basic rose.
After you made it you can play with it. Cause you'll different style of roses if you work with "right side", wrong side or you mix with right side first than wrong side. Which one do you like?? It depends on your project .
Here is the pic that I did it. You see.. how beautiful they're. Play with right side and wrong side is amazing for this pattern.
Try it and you'll love it. I hope my sharing could inspire you alot :)
Happy crocheting all
NOTE : Click at the picture for larger view