Roberts, J., & Cardoso, t. J. (2019). Uma amizade improvável, D. Maria I e Guilherme Stephens (1ª. ed.). Presença.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRoberts, Jenifer, এবং trad. João Cardoso. Uma Amizade Improvável, D. Maria I E Guilherme Stephens. 1ª. ed. Presença, 2019.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিRoberts, Jenifer, এবং trad. João Cardoso. Uma Amizade Improvável, D. Maria I E Guilherme Stephens. 1ª. ed. Presença, 2019.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.