Basic Structures a Textbook for the Learnables Book 1 Russian Case with 5 Audiocassettes (Paperback) ISBN-13: 9780939990832 ISBN-10: 0939990830 ? Russian Basic Structures Book 1 Audiocassettes and Reader to Be Used with the Learnables Book 1 [5 audio-cassettes and a Reader Book] (Audio Cassette) ISBN-13: 9781887371568 ISBN-10: 1887371567 ? |