Gaya APA
Spark, Donald L.. (1998).
Advances in agronomy (62).
California:
Academic Press.
Gaya Chicago
Spark, Donald L..
Advances in agronomy.
62
California:
Academic Press,
1998.
Text.
Gaya MLA
Spark, Donald L..
Advances in agronomy.
62
California:
Academic Press,
1998.
Text.
Gaya Turabian
Spark, Donald L..
Advances in agronomy.
62
California:
Academic Press,
1998.
Print.