APA aipamena

Johanna Spyri & Ashitha. (2017). Heidi. Mathrubhumi.

Chicago Style aipamena

Johanna Spyri and Ashitha. Heidi. Kozhikode: Mathrubhumi, 2017.

MLA aipamena

Johanna Spyri and Ashitha. Heidi. Mathrubhumi, 2017.