Jefremovas, V. (1993). Riding the green tide: Strategies among the Sagada vegetable gardeners of Northern Luzon. Cordillera Studies Center, University of the Philippines College Baguio.
Chicago Style (17. basım) AtıfJefremovas, Villia. Riding the Green Tide: Strategies Among the Sagada Vegetable Gardeners of Northern Luzon. Baguio City: Cordillera Studies Center, University of the Philippines College Baguio, 1993.
MLA (9th ed.) AtıfJefremovas, Villia. Riding the Green Tide: Strategies Among the Sagada Vegetable Gardeners of Northern Luzon. Cordillera Studies Center, University of the Philippines College Baguio, 1993.
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