Meitzner, L. S., & Price, M. L. (1996). Amaranth to Zai holes: Ideas for growing food under difficult conditions. ECHO.
Cita Chicago (17th ed.)Meitzner, Laura S., i Martin L. Price. Amaranth to Zai Holes: Ideas for Growing Food Under Difficult Conditions. Florida: ECHO, 1996.
Cita MLA (9th ed.)Meitzner, Laura S., i Martin L. Price. Amaranth to Zai Holes: Ideas for Growing Food Under Difficult Conditions. ECHO, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.