There are some books by Vogue Knitting that have simple tops like that in them, try:
Vogue knitting vintage knits / [editor-in-chief, Trisha Malcolm
Vogue knitting American collection / Edited by Trisha Malcolm.
More knitting in Vogue / Christina Probert ; photographs by Perry Ogden ; styled by Sophie Hicks.
Designer knits : DKNY, Calvin Klein, Adrienne Vittadinni, Perry Ellis, Missoni, Joan Vass, Cynthia Rowley, Todd Oldham, Michael Simon, Betty Jackson, Anna Sui / edited by Trisha Malcolm.
Good luck and I'll keep looking!