APA Style

Simorangkir, Deborah Nauli. (2018). Life skill training for high school students . Tangerang: Swiss German University.

Chicago Style

Simorangkir, Deborah Nauli. Life skill training for high school students. Tangerang: Swiss German University, 2018. Paper.

MLA Style

Simorangkir, Deborah Nauli. Life skill training for high school students. Tangerang: Swiss German University, 2018. Paper.

Turabian Style

Simorangkir, Deborah Nauli. Life skill training for high school students. Tangerang: Swiss German University, 2018. Paper.