Parker, R., & Garza, D. (2010). Plant and soil science: Fundamentals and applications. Delmar Cengage Learning.
Citazione stile Chigago Style (17a edizione)Parker, Rick, e Dave Garza. Plant and Soil Science: Fundamentals and Applications. Clifton Park, N.Y: Delmar Cengage Learning, 2010.
Citatione MLA (9a ed.)Parker, Rick, e Dave Garza. Plant and Soil Science: Fundamentals and Applications. Delmar Cengage Learning, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.