Παραπομπή APA

Sijwali,B.S, & Sijwali, I. Non verbal reasoning. Arihant Publications.

Παραπομπή Chicago Style

Sijwali,B.S, και Indu Sijwali. Non Verbal Reasoning. Meerut: Arihant Publications.

Παραπομπή MLA

Sijwali,B.S, και Indu Sijwali. Non Verbal Reasoning. Arihant Publications.