This is all of the different ways I think you would need to make a yarn over. I didn't include a YO decrease because you just do it the same way.
by Woolpedia
by Maggie Weldon
by Meladora's Creations for Crochet
by New Stitch a Day: Knitting and
by Kristi Tullus
by June Gilbank
by GoodKnitKisses
