VLIET, R. V. (2011). Abstract: : 50 inspirational projects. Search Press.
Lua i Stíl Chicago (17ú heag.)VLIET, Rolina Van. Abstract: : 50 Inspirational Projects. Search Press, 2011.
Lua MLA (9ú heag.)VLIET, Rolina Van. Abstract: : 50 Inspirational Projects. Search Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.