Linguaphone Institute. (1998). Linguaphone: Deutscher Kursus. Linguaphone Institute.
Chicago Style (17th ed.) CitationLinguaphone Institute. Linguaphone: Deutscher Kursus. Linguaphone Institute, 1998.
MLA (8th ed.) CitationLinguaphone Institute. Linguaphone: Deutscher Kursus. Linguaphone Institute, 1998.
Warning: These citations may not always be 100% accurate.