APA (7. basım) Alıntı

Twente, E. E. (1970). Never too old: The aged in community life. Jossey Bass.

Chicago Style (17. basım) Atıf

Twente, Esther E. Never Too Old: The Aged in Community Life. San francisco: Jossey Bass, 1970.

MLA (9th ed.) Atıf

Twente, Esther E. Never Too Old: The Aged in Community Life. Jossey Bass, 1970.