Penggayaan APA

HACKSHAW, ALLAN. (2015). A concise guide to observational studies in healcare . West Sussex: Wiley Blackwell.

Chicago Style

HACKSHAW, ALLAN. A concise guide to observational studies in healcare. West Sussex: Wiley Blackwell, 2015. Buku.

MLA Style

HACKSHAW, ALLAN. A concise guide to observational studies in healcare. West Sussex: Wiley Blackwell, 2015. Buku.

Turabian Style

HACKSHAW, ALLAN. A concise guide to observational studies in healcare. West Sussex: Wiley Blackwell, 2015. Buku.