(1957). The LEC newsletter: Volume 3, number 2, July-August 1957. Labor Education Center, University of the Philippines.
Citazione stile Chigago Style (17a edizione)The LEC Newsletter: Volume 3, Number 2, July-August 1957. Manila: Labor Education Center, University of the Philippines, 1957.
Citatione MLA (9a ed.)The LEC Newsletter: Volume 3, Number 2, July-August 1957. Labor Education Center, University of the Philippines, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.