Gaya APA

Kail, Robert V.. (2000). Human development : a lifespan view . Singapore: Wadsworth.

Gaya Chicago

Kail, Robert V.. Human development : a lifespan view. Singapore: Wadsworth, 2000. Text.

Gaya MLA

Kail, Robert V.. Human development : a lifespan view. Singapore: Wadsworth, 2000. Text.

Gaya Turabian

Kail, Robert V.. Human development : a lifespan view. Singapore: Wadsworth, 2000. Print.