APA-viite (7. p.)

Hendriks, A. A. J. (1997). The construction of the Five-Factor Personality Inventory (FFPI). s.n.].

Chicago-viite (17. p.)

Hendriks, Anja Alide Jolijn. The Construction of the Five-Factor Personality Inventory (FFPI). [S.l.: s.n.], 1997.

MLA-viite (8. p.)

Hendriks, Anja Alide Jolijn. The Construction of the Five-Factor Personality Inventory (FFPI). s.n.], 1997.