APA Style
Schmidt,L, Ball, D.F.. (1993).
Seed Orchards Guidelines on Establishment and Management practices (Field Manual No.4) .
USA:
UNDP.
Chicago Style
Schmidt,L, Ball, D.F..
Seed Orchards Guidelines on Establishment and Management practices (Field Manual No.4).
USA:
UNDP,
1993.
.
MLA Style
Schmidt,L, Ball, D.F..
Seed Orchards Guidelines on Establishment and Management practices (Field Manual No.4).
USA:
UNDP,
1993.
.
Turabian Style
Schmidt,L, Ball, D.F..
Seed Orchards Guidelines on Establishment and Management practices (Field Manual No.4).
USA:
UNDP,
1993.
.