(1985). Agriculture training manual. s.n.].
Cita Chicago (17th ed.)Agriculture Training Manual. [s.l: s.n.], 1985.
Cita MLA (9th ed.)Agriculture Training Manual. s.n.], 1985.
Atenció: Aquestes cites poden no estar 100% correctes.
(1985). Agriculture training manual. s.n.].
Cita Chicago (17th ed.)Agriculture Training Manual. [s.l: s.n.], 1985.
Cita MLA (9th ed.)Agriculture Training Manual. s.n.], 1985.