APA
Menzerath P., . (1931). Linguaphone conversational course. London: .
Chicago
Menzerath Paul, . 1931. Linguaphone conversational course. London: .
Harvard
Menzerath P., . (1931). Linguaphone conversational course. London: .
MLA
Menzerath Paul, . Linguaphone conversational course. London: . 1931.