VLIET, R. V. (2011). Abstract: : 50 inspirational projects. Search Press.
Cita Chicago (17th ed.)VLIET, Rolina Van. Abstract: : 50 Inspirational Projects. Search Press, 2011.
Cita MLA (9th ed.)VLIET, Rolina Van. Abstract: : 50 Inspirational Projects. Search Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.