APA
WALSTRA P., . (1961). Gravimetric methods for the determination of the fat content of milk and milk products. Wageningen: H Veerman.
Chicago
WALSTRA P, . 1961. Gravimetric methods for the determination of the fat content of milk and milk products. Wageningen: H Veerman.
Harvard
WALSTRA P., . (1961). Gravimetric methods for the determination of the fat content of milk and milk products. Wageningen: H Veerman.
MLA
WALSTRA P, . Gravimetric methods for the determination of the fat content of milk and milk products. Wageningen: H Veerman. 1961.