Dalbor (1980), p. 6. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Dalbor (1980), p. 22. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Dalbor (1980), pp. 5–19. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Brogan & Bolyanatz (2018), p. 204. Brogan, Franny D.; Bolyanatz, Mariška A. (July 2018). "A sociophonetic account of onset /s/ weakening in Salvadoran Spanish: Instrumental and segmental analyses". Language Variation and Change. 30 (2): 203–230. doi:10.1017/S0954394518000066. S2CID149803757.
Dalbor (1980), p. 7. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Obaid (1973), p. 63. Obaid, Antonio H. (1973). "The Vagaries of the Spanish 'S'". Hispania. 56 (1). American Association of Teachers of Spanish and Portuguese: 60–67. doi:10.2307/339038. JSTOR339038.
Dalbor (1980), p. 6. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Dalbor (1980), p. 22. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Dalbor (1980), pp. 5–19. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Dalbor (1980), p. 7. Dalbor, John B. (1980). "Observations on Present-Day Seseo and Ceceo in Southern Spain". Hispania. 63 (1). American Association of Teachers of Spanish and Portuguese: 5–19. doi:10.2307/340806. JSTOR340806.
Obaid (1973), p. 63. Obaid, Antonio H. (1973). "The Vagaries of the Spanish 'S'". Hispania. 56 (1). American Association of Teachers of Spanish and Portuguese: 60–67. doi:10.2307/339038. JSTOR339038.
Brogan & Bolyanatz (2018), p. 204. Brogan, Franny D.; Bolyanatz, Mariška A. (July 2018). "A sociophonetic account of onset /s/ weakening in Salvadoran Spanish: Instrumental and segmental analyses". Language Variation and Change. 30 (2): 203–230. doi:10.1017/S0954394518000066. S2CID149803757.