Columbia subject headings:
Automobile industry and trade--Japan.
Nissan Jidōsha Kabushiki Kaisha.
Toyota Jidōsha Kōgyō Kabushiki Kaisha.
Harvard subject headings:
Automobile industry and trade--Japan
Nissan Jidōsha Kabushiki Kaisha.
Toyota Jidōsha Kōgyō Kabushiki Kaisha.
Princeton subject headings:
Automobile industry and trade--Japan.
Nissan Jidōsha Kabushiki Kaisha.
Toyota Jidōsha Kōgyō Kabushiki Kaisha.