Berge, C. van de
Wolfgang Amadeus
Manteau, 1991
 Buku Teks
Miller, Dennis P.
Building a project work breakdown structure : visualizing objectives, deliverables, activities and schedules
CRC Press, 2009
 Buku Teks
Benny Effendi
Komparasi biaya operasional dan perawatan gedung parkir vertikal otomatis terhadap gedung parkir konvensional di jakarta = Operational and maintenance cost comparison between automated vertical parking building and conventional parking building in jakarta
2015
 UI - Skripsi (Membership)
Boerner, Peter
Johan wolfgang von Goethe
Hamburg Rowohlt Taschenbuch 1964
 Buku Teks
Friedmann, Wolfgang
Legal theory / by Wolfgang Friedmann
Stevens & Sons Limited, 1953
 Buku Klasik