(Jones et al., 2011; Pignone, DeWal

(Jones et al., 2011; Pignone, DeWalt, Sheridan, Berkman, & Lohr,
2005).

ผลลัพธ์ (อังกฤษ) 2:

(Jones et Al., 2,011; Pignone, DeWalt, Sheridan, Berkman, & Lohr,
two thousand and five).