Niles, O. S., Carrasco, J., & Dunning, P. (1977). Latitude: The signal series. Glenview, Ill: Scott Foresman.
Чикагска система за цитиранеNiles, Olive S., Jose Carrasco, и Phyllis Dunning. Latitude: The Signal Series. Glenview, Ill: Scott Foresman, 1977.
MLA формат за цитиранеNiles, Olive S., Jose Carrasco, и Phyllis Dunning. Latitude: The Signal Series. Glenview, Ill: Scott Foresman, 1977.
Внимание: Тези цитати може да не са 100% точни.