Bruulsema T. W & Potash & Phosphate Institute of Canada. Fertilizing Crops for Functional Foods.
Lua i Stíl Chicago (17ú heag.)Bruulsema T. W agus Potash & Phosphate Institute of Canada. Fertilizing Crops for Functional Foods.
Lua MLA (9ú heag.)Bruulsema T. W agus Potash & Phosphate Institute of Canada. Fertilizing Crops for Functional Foods.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.