1987 - An Introduction to Econometrics (Hardcover) → Paperback ISBN-13: 9780631150022 ISBN-10: 0631150021 ? 1987 - An Introduction to Econometrics (Paperback) → Paperback, Hardcover ISBN-13: 9780631150039 ISBN-10: 063115003X ? 1987 - An Introduction to Econometrics (Paperback) → Paperback, Hardcover ISBN-13: 9780631189855 ISBN-10: 0631189858 ? |