APA
Schiller E., . (2009). World champion openings : a step-by-step approach to improving your opening play by using the moves of the world champions!. Brooklyn, NY: Cardoza Publishing.
Chicago
Schiller Eric, . 2009. World champion openings : a step-by-step approach to improving your opening play by using the moves of the world champions!. Brooklyn, NY: Cardoza Publishing.
Harvard
Schiller E., . (2009). World champion openings : a step-by-step approach to improving your opening play by using the moves of the world champions!. Brooklyn, NY: Cardoza Publishing.
MLA
Schiller Eric, . World champion openings : a step-by-step approach to improving your opening play by using the moves of the world champions!. Brooklyn, NY: Cardoza Publishing. 2009.