Bolton, E., & Goodwin, D. (1967). An introduction to pool exercises (3rd edition.). E.& S. Livingstone.
Čikaški stil citiranja (17. izdanje)Bolton, Elizabeth, i Diana Goodwin. An Introduction to Pool Exercises. 3rd edition. Edinburgh: E.& S. Livingstone, 1967.
MLA način citiranja (9. izdanje)Bolton, Elizabeth, i Diana Goodwin. An Introduction to Pool Exercises. 3rd edition. E.& S. Livingstone, 1967.
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