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Zimmer & Orgun (1999), p. 155. Zimmer, Karl; Orgun, Orhan (1999), "Turkish"(PDF), Handbook of the International Phonetic Association: A guide to the use of the International Phonetic Alphabet, Cambridge: Cambridge University Press, pp. 154–158, ISBN0-521-65236-7, archived from the original(PDF) on 2018-07-25, retrieved 2015-04-12
Zimmer & Orgun (1999), p. 155. Zimmer, Karl; Orgun, Orhan (1999), "Turkish"(PDF), Handbook of the International Phonetic Association: A guide to the use of the International Phonetic Alphabet, Cambridge: Cambridge University Press, pp. 154–158, ISBN0-521-65236-7, archived from the original(PDF) on 2018-07-25, retrieved 2015-04-12