Gaya APA
Royen, William Van. (1954).
Atlas of the world's resources : the agricultural resources of the world .
New York:
Prentice-Hall.
Gaya Chicago
Royen, William Van.
Atlas of the world's resources : the agricultural resources of the world.
New York:
Prentice-Hall,
1954.
Text.
Gaya MLA
Royen, William Van.
Atlas of the world's resources : the agricultural resources of the world.
New York:
Prentice-Hall,
1954.
Text.
Gaya Turabian
Royen, William Van.
Atlas of the world's resources : the agricultural resources of the world.
New York:
Prentice-Hall,
1954.
Print.