Gubbens, P. C. M. (1977). Magnetic properties of rare earth iron compounds. Delft University Press.
Lua i Stíl Chicago (17ú heag.)Gubbens, Paulus Cornelis Maria. Magnetic Properties of Rare Earth Iron Compounds. Delft: Delft University Press, 1977.
Lua MLA (8ú heag.)Gubbens, Paulus Cornelis Maria. Magnetic Properties of Rare Earth Iron Compounds. Delft University Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.