Freyre, G. (1961). Portuguese integration in the tropics: Notes concerning a possible Lusotropicology which would specialize in the systematic study of the ecological-social process of the integration in tropical environments of Portuguese, descendants of Portuguese and continuators of Portuguese. s. n.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিFreyre, Gilbert. Portuguese Integration in the Tropics: Notes Concerning a Possible Lusotropicology Which Would Specialize in the Systematic Study of the Ecological-social Process of the Integration in Tropical Environments of Portuguese, Descendants of Portuguese and Continuators of Portuguese. Lisbon: s. n, 1961.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিFreyre, Gilbert. Portuguese Integration in the Tropics: Notes Concerning a Possible Lusotropicology Which Would Specialize in the Systematic Study of the Ecological-social Process of the Integration in Tropical Environments of Portuguese, Descendants of Portuguese and Continuators of Portuguese. s. n, 1961.