Gaya APA
Seeds : The Yearbook of Agriculture 1961. (1987).
Washington D.C.:
The USA Departement of Agriculture.
Gaya Chicago
Seeds : The Yearbook of Agriculture 1961.
.
Washington D.C.:
The USA Departement of Agriculture,
1987.
Text.
Gaya MLA
Seeds : The Yearbook of Agriculture 1961.
.
Washington D.C.:
The USA Departement of Agriculture,
1987.
Text.
Gaya Turabian
Seeds : The Yearbook of Agriculture 1961.
Washington D.C.:
The USA Departement of Agriculture,
1987.
Print.