Dorado, M. Big money in hydroponics. Center for Policy and Development Studies.
Cita Chicago (17th ed.)Dorado, M.A. Big Money in Hydroponics. College, Laguna: Center for Policy and Development Studies.
Cita MLA (9th ed.)Dorado, M.A. Big Money in Hydroponics. Center for Policy and Development Studies.
Atenció: Aquestes cites poden no estar 100% correctes.