APA (7th ed.) Citation

(1964). International directory of audio-visual and programmed foreign language courses and materials. Pädag. Arbeitsstelle ; Sekr. Pädag. Zentrum.

Chicago Style (17th ed.) Citation

International Directory of Audio-visual and Programmed Foreign Language Courses and Materials. Berlin: Pädag. Arbeitsstelle ; Sekr. Pädag. Zentrum, 1964.

MLA (9th ed.) Citation

International Directory of Audio-visual and Programmed Foreign Language Courses and Materials. Pädag. Arbeitsstelle ; Sekr. Pädag. Zentrum, 1964.

Warning: These citations may not always be 100% accurate.