Tony, S. (2017). Step By Step Jadi Kontraktor Sukses. Starbooks.
Lua i Stíl Chicago (17ú heag.)Tony, Setiawan. Step By Step Jadi Kontraktor Sukses. Starbooks, 2017.
Lua MLA (8ú heag.)Tony, Setiawan. Step By Step Jadi Kontraktor Sukses. Starbooks, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.