Gaya APA

Spring, J. (2011). The american school: a global context from the puritans to the obama era (Cet.8). Kanada: Mc Graw Hil.

Gaya MLA

Spring, Joel. "The american school: a global context from the puritans to the obama era". Cet.8 Kanada: Mc Graw Hil, 2011. Text.