Gaya APA

lubis, E, B., Zubaidi, E, Y. (2015). Umroh Back packer A to Z berumroh ala back packeran (mudah, murah, fun) . Jakarta: Grasindo.

Gaya MLA

lubis, Elly, Basrah., Zubaidi, Eva, Yahya. "Umroh Back packer A to Z berumroh ala back packeran (mudah, murah, fun)". Jakarta: Grasindo, 2015. Text.