APA
Greif M., Martin Greif, . (2023). 200 Challenging Chess Puzzles. New Delhi: Goodwill Publishing House.
Chicago
Greif Martin, Martin Greif, . 2023. 200 Challenging Chess Puzzles. New Delhi: Goodwill Publishing House.
Harvard
Greif M., Martin Greif, . (2023). 200 Challenging Chess Puzzles. New Delhi: Goodwill Publishing House.
MLA
Greif Martin, Martin Greif, . 200 Challenging Chess Puzzles. New Delhi: Goodwill Publishing House. 2023.