Vaandrager, H. W. (1995). Constructing a healthy balance.
Lua i Stíl Chicago (17ú heag.)Vaandrager, H. W. Constructing a Healthy Balance. 1995.
Lua MLA (8ú heag.)Vaandrager, H. W. Constructing a Healthy Balance. 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.