Cook, P. J. (1949). Estonian self-taught: By the natural method with phonetic pronunciation (2. ed., rev. & enl.). Marlborough.
Chicago Style (17th ed.) CitationCook, Percy J. Estonian Self-taught: By the Natural Method with Phonetic Pronunciation. 2. ed., rev. & enl. London: Marlborough, 1949.
MLA (9th ed.) CitationCook, Percy J. Estonian Self-taught: By the Natural Method with Phonetic Pronunciation. 2. ed., rev. & enl. Marlborough, 1949.
Warning: These citations may not always be 100% accurate.