แม่แบบ:R:inc-opa:Shackle
Christopher Shackle (2011), “R:inc-opa:Shackle”, in A Gurū Nānak Glossary, 2nd edition, New Delhi: Heritage Publishers, →ISBN
Christopher Shackle (2011), “R:inc-opa:Shackle”, in A Gurū Nānak Glossary, 2nd edition, New Delhi: Heritage Publishers, →ISBN