APA (7e ed.) Bronvermelding

EASTON, L. B. (1981). Express Ways A Basal Language Program Level 6 Lois Brown Easton; Marvin Klein. The Economy Company.

Chicago (17e ed.) Bronvermelding

EASTON, Lois Brown. Express Ways A Basal Language Program Level 6 Lois Brown Easton; Marvin Klein. The Economy Company, 1981.

MLA (8e ed.) Bronvermelding

EASTON, Lois Brown. Express Ways A Basal Language Program Level 6 Lois Brown Easton; Marvin Klein. The Economy Company, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.