APA (7 ম সংস্করণ) উদ্ধৃতি

Gragera, A. (2002). L1 attrition and L2 acquisition of Spanish subjunctive: A functionalist approach (1. ed.). Universitas Castellae.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gragera, Antonio. L1 Attrition and L2 Acquisition of Spanish Subjunctive: A Functionalist Approach. 1. ed. Valladolid: Universitas Castellae, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Gragera, Antonio. L1 Attrition and L2 Acquisition of Spanish Subjunctive: A Functionalist Approach. 1. ed. Universitas Castellae, 2002.