APA (7e ed.) Bronvermelding

Kazushi Okamoto. (2014). If you plant seeds of happiness, flowers of happiness will bloom. Ichimannendo Publishing.

Chicago (17e ed.) Bronvermelding

Kazushi Okamoto. If You Plant Seeds of Happiness, Flowers of Happiness Will Bloom. Carlifornia: Ichimannendo Publishing, 2014.

MLA (8e ed.) Bronvermelding

Kazushi Okamoto. If You Plant Seeds of Happiness, Flowers of Happiness Will Bloom. Ichimannendo Publishing, 2014.