Gaya APA

Ainy, Urfa Qurrota. (2016). Happiness Laboratory: Meramu Kebahagiaan Hakiki (-). Jakarta: Elex Media Komputindo.

Gaya Chicago

Ainy, Urfa Qurrota. Happiness Laboratory: Meramu Kebahagiaan Hakiki. - Jakarta: Elex Media Komputindo, 2016. .

Gaya MLA

Ainy, Urfa Qurrota. Happiness Laboratory: Meramu Kebahagiaan Hakiki. - Jakarta: Elex Media Komputindo, 2016. .

Gaya Turabian

Ainy, Urfa Qurrota. Happiness Laboratory: Meramu Kebahagiaan Hakiki. - Jakarta: Elex Media Komputindo, 2016. .