APA (7th ed.) Citation

Sawitri, N. (2015). Mudahnya Kuasai IPS SMP/MTS. In Azna books.

Chicago Style (17th ed.) Citation

Sawitri, Nawang. Mudahnya Kuasai IPS SMP/MTS. In Azna books, 2015.

MLA (8th ed.) Citation

Sawitri, Nawang. Mudahnya Kuasai IPS SMP/MTS. In Azna books, 2015.

Warning: These citations may not always be 100% accurate.