Columbia subject headings:
Apple industry--Germany (West)
Apple industry--Spain.
Apples--Germany (West)--Marketing.
Apples--Spain--Marketing.
Harvard subject headings:
Apple industry--Germany (West)
Apple industry--Spain.
Apples--Germany (West)--Marketing.
Apples--Spain--Marketing.
Princeton subject headings:
Apple industry--Germany, West.
Apple industry--Spain.
Apples--Germany, West--Marketing.
Apples--Spain--Marketing.