APA Style

Maskell, Hazel, Adam Larkum. ([s.a]). Memahami Biologi . Jakarta: Erlangga for Kids.

Chicago Style

Maskell, Hazel, Adam Larkum. Memahami Biologi. Jakarta: Erlangga for Kids, [s.a]. Text.

MLA Style

Maskell, Hazel, Adam Larkum. Memahami Biologi. Jakarta: Erlangga for Kids, [s.a]. Text.

Turabian Style

Maskell, Hazel, Adam Larkum. Memahami Biologi. Jakarta: Erlangga for Kids, [s.a]. Print.