APA Style

Gschwandtner, Gerhard. (2007). The sales closing book : field-tested closes for every selling situation . America: united states.

Chicago Style

Gschwandtner, Gerhard. The sales closing book : field-tested closes for every selling situation. America: united states, 2007. Text.

MLA Style

Gschwandtner, Gerhard. The sales closing book : field-tested closes for every selling situation. America: united states, 2007. Text.

Turabian Style

Gschwandtner, Gerhard. The sales closing book : field-tested closes for every selling situation. America: united states, 2007. Print.