Παραπομπή σε μορφή APA (7η εκδ.)

GUPTA PRERNA & GUPTA, V. (2019). SOARING HIGHER AND HIGHER IN MATHEMATICS - GRADE 2. PROGRESS PUBLISHERS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

GUPTA PRERNA & GUPTA, VIJAY. SOARING HIGHER AND HIGHER IN MATHEMATICS - GRADE 2. DELHI: PROGRESS PUBLISHERS, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

GUPTA PRERNA & GUPTA, VIJAY. SOARING HIGHER AND HIGHER IN MATHEMATICS - GRADE 2. PROGRESS PUBLISHERS, 2019.