Gaya APA
Postlethwait, S, N. (1964).
The audio-tutorial approaching learning through independent study and integrated experience (2nd ed.).
Mannipolis:
Burger Publishing.
Gaya MLA
Postlethwait, S., N..
"The audio-tutorial approaching learning through independent study and integrated experience".
2nd ed.
Mannipolis:
Burger Publishing,
1964.
Text.