Παραπομπή APA

Summers,George J. (2005). Puzzles and teasers. Jaico Publishing House.

Παραπομπή Chicago Style

Summers,George J. Puzzles and Teasers. Mumbai: Jaico Publishing House, 2005.

Παραπομπή MLA

Summers,George J. Puzzles and Teasers. Jaico Publishing House, 2005.