APA-viite (7. p.)
ebrary, Inc, & Fowler, B. H. (1996). Songs of a friend: Love lyrics of medieval Portugal : selections from Cantigas de amigo. University of North Carolina Press.
Chicago-viite (17. p.)
ebrary, Inc, ja Barbara Hughes Fowler. Songs of a Friend: Love Lyrics of Medieval Portugal : Selections from Cantigas De Amigo. Chapel Hill: University of North Carolina Press, 1996.
MLA-viite (9. p.)
ebrary, Inc, ja Barbara Hughes Fowler. Songs of a Friend: Love Lyrics of Medieval Portugal : Selections from Cantigas De Amigo. University of North Carolina Press, 1996.
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